Home / 1,005,013-1,386,923.28-546,131.20

Finding the Fourth Proportional to 1,005,013, 1,386,923.28 and 546,131.20

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Solution

The fourth proportional to 1,005,013, 1,386,923.28 and 546,131.20 is: 753,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,013 : 1,386,923.28 = 546,131.20 : x
  2. Step 2: Convert to fraction form
    1,005,013/1,386,923.28 = 546,131.20/x
  3. Step 3: Cross multiply
    1,005,013x = 1,386,923.28 × 546,131.20
  4. Step 4: Simplify right side
    1,005,013x = 757,442,075,214.34
  5. Step 5: Solve for x
    x = 757,442,075,214.34/1,005,013
  6. Step 6: Final answer
    x = 753,663.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.