Home / 1,125,526.69-1,688,294.02-272,598.91

Finding the Fourth Proportional to 1,125,526.69, 1,688,294.02 and 272,598.91

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Solution

The fourth proportional to 1,125,526.69, 1,688,294.02 and 272,598.91 is: 408,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,526.69 : 1,688,294.02 = 272,598.91 : x
  2. Step 2: Convert to fraction form
    1,125,526.69/1,688,294.02 = 272,598.91/x
  3. Step 3: Cross multiply
    1,125,526.69x = 1,688,294.02 × 272,598.91
  4. Step 4: Simplify right side
    1,125,526.69x = 460,227,114,717.06
  5. Step 5: Solve for x
    x = 460,227,114,717.06/1,125,526.69
  6. Step 6: Final answer
    x = 408,899.34

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Double scale
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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.