Home / 1,029,711.60-1,548,714.60-921,884.40

Finding the Fourth Proportional to 1,029,711.60, 1,548,714.60 and 921,884.40

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Solution

The fourth proportional to 1,029,711.60, 1,548,714.60 and 921,884.40 is: 1,386,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,711.60 : 1,548,714.60 = 921,884.40 : x
  2. Step 2: Convert to fraction form
    1,029,711.60/1,548,714.60 = 921,884.40/x
  3. Step 3: Cross multiply
    1,029,711.60x = 1,548,714.60 × 921,884.40
  4. Step 4: Simplify right side
    1,029,711.60x = 1,427,735,829,792.24
  5. Step 5: Solve for x
    x = 1,427,735,829,792.24/1,029,711.60
  6. Step 6: Final answer
    x = 1,386,539.52

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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.