Home / 1,316,013.28-1,972,838.40-473,976.16

Finding the Fourth Proportional to 1,316,013.28, 1,972,838.40 and 473,976.16

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Solution

The fourth proportional to 1,316,013.28, 1,972,838.40 and 473,976.16 is: 710,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,013.28 : 1,972,838.40 = 473,976.16 : x
  2. Step 2: Convert to fraction form
    1,316,013.28/1,972,838.40 = 473,976.16/x
  3. Step 3: Cross multiply
    1,316,013.28x = 1,972,838.40 × 473,976.16
  4. Step 4: Simplify right side
    1,316,013.28x = 935,078,369,132.54
  5. Step 5: Solve for x
    x = 935,078,369,132.54/1,316,013.28
  6. Step 6: Final answer
    x = 710,538.70

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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.