Home / 1,487,561.76-2,052,838.08-808,496.64

Finding the Fourth Proportional to 1,487,561.76, 2,052,838.08 and 808,496.64

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Solution

The fourth proportional to 1,487,561.76, 2,052,838.08 and 808,496.64 is: 1,115,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,561.76 : 2,052,838.08 = 808,496.64 : x
  2. Step 2: Convert to fraction form
    1,487,561.76/2,052,838.08 = 808,496.64/x
  3. Step 3: Cross multiply
    1,487,561.76x = 2,052,838.08 × 808,496.64
  4. Step 4: Simplify right side
    1,487,561.76x = 1,659,712,690,144.05
  5. Step 5: Solve for x
    x = 1,659,712,690,144.05/1,487,561.76
  6. Step 6: Final answer
    x = 1,115,726.91

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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.