Home / 1,487,681.76-2,053,003.68-808,616.64

Finding the Fourth Proportional to 1,487,681.76, 2,053,003.68 and 808,616.64

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Solution

The fourth proportional to 1,487,681.76, 2,053,003.68 and 808,616.64 is: 1,115,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,681.76 : 2,053,003.68 = 808,616.64 : x
  2. Step 2: Convert to fraction form
    1,487,681.76/2,053,003.68 = 808,616.64/x
  3. Step 3: Cross multiply
    1,487,681.76x = 2,053,003.68 × 808,616.64
  4. Step 4: Simplify right side
    1,487,681.76x = 1,660,092,937,629.24
  5. Step 5: Solve for x
    x = 1,660,092,937,629.24/1,487,681.76
  6. Step 6: Final answer
    x = 1,115,892.51

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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.