Home / 1,505,391.68-2,077,428-826,287.68

Finding the Fourth Proportional to 1,505,391.68, 2,077,428 and 826,287.68

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Solution

The fourth proportional to 1,505,391.68, 2,077,428 and 826,287.68 is: 1,140,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,391.68 : 2,077,428 = 826,287.68 : x
  2. Step 2: Convert to fraction form
    1,505,391.68/2,077,428 = 826,287.68/x
  3. Step 3: Cross multiply
    1,505,391.68x = 2,077,428 × 826,287.68
  4. Step 4: Simplify right side
    1,505,391.68x = 1,716,553,162,487.04
  5. Step 5: Solve for x
    x = 1,716,553,162,487.04/1,505,391.68
  6. Step 6: Final answer
    x = 1,140,270.13

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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.