Home / 1,247,007.60-1,865,840.40-888,008.40

Finding the Fourth Proportional to 1,247,007.60, 1,865,840.40 and 888,008.40

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Solution

The fourth proportional to 1,247,007.60, 1,865,840.40 and 888,008.40 is: 1,328,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,007.60 : 1,865,840.40 = 888,008.40 : x
  2. Step 2: Convert to fraction form
    1,247,007.60/1,865,840.40 = 888,008.40/x
  3. Step 3: Cross multiply
    1,247,007.60x = 1,865,840.40 × 888,008.40
  4. Step 4: Simplify right side
    1,247,007.60x = 1,656,881,948,259.36
  5. Step 5: Solve for x
    x = 1,656,881,948,259.36/1,247,007.60
  6. Step 6: Final answer
    x = 1,328,686.33

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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.