Home / 1,071,426.91-1,478,535.79-587,979.63

Finding the Fourth Proportional to 1,071,426.91, 1,478,535.79 and 587,979.63

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Solution

The fourth proportional to 1,071,426.91, 1,478,535.79 and 587,979.63 is: 811,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,426.91 : 1,478,535.79 = 587,979.63 : x
  2. Step 2: Convert to fraction form
    1,071,426.91/1,478,535.79 = 587,979.63/x
  3. Step 3: Cross multiply
    1,071,426.91x = 1,478,535.79 × 587,979.63
  4. Step 4: Simplify right side
    1,071,426.91x = 869,348,916,413.38
  5. Step 5: Solve for x
    x = 869,348,916,413.38/1,071,426.91
  6. Step 6: Final answer
    x = 811,393.58

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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.