Home / 1,487,979.36-2,053,324.32-808,909.92

Finding the Fourth Proportional to 1,487,979.36, 2,053,324.32 and 808,909.92

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Solution

The fourth proportional to 1,487,979.36, 2,053,324.32 and 808,909.92 is: 1,116,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,979.36 : 2,053,324.32 = 808,909.92 : x
  2. Step 2: Convert to fraction form
    1,487,979.36/2,053,324.32 = 808,909.92/x
  3. Step 3: Cross multiply
    1,487,979.36x = 2,053,324.32 × 808,909.92
  4. Step 4: Simplify right side
    1,487,979.36x = 1,660,954,411,425.25
  5. Step 5: Solve for x
    x = 1,660,954,411,425.25/1,487,979.36
  6. Step 6: Final answer
    x = 1,116,248.29

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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.