Home / 1,125,316.98-1,688,123.70-366,892.11

Finding the Fourth Proportional to 1,125,316.98, 1,688,123.70 and 366,892.11

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Solution

The fourth proportional to 1,125,316.98, 1,688,123.70 and 366,892.11 is: 550,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,316.98 : 1,688,123.70 = 366,892.11 : x
  2. Step 2: Convert to fraction form
    1,125,316.98/1,688,123.70 = 366,892.11/x
  3. Step 3: Cross multiply
    1,125,316.98x = 1,688,123.70 × 366,892.11
  4. Step 4: Simplify right side
    1,125,316.98x = 619,359,266,234.01
  5. Step 5: Solve for x
    x = 619,359,266,234.01/1,125,316.98
  6. Step 6: Final answer
    x = 550,386.49

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.