Home / 887,415.60-1,331,123.40-551,492.40

Finding the Fourth Proportional to 887,415.60, 1,331,123.40 and 551,492.40

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Solution

The fourth proportional to 887,415.60, 1,331,123.40 and 551,492.40 is: 827,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,415.60 : 1,331,123.40 = 551,492.40 : x
  2. Step 2: Convert to fraction form
    887,415.60/1,331,123.40 = 551,492.40/x
  3. Step 3: Cross multiply
    887,415.60x = 1,331,123.40 × 551,492.40
  4. Step 4: Simplify right side
    887,415.60x = 734,104,438,562.16
  5. Step 5: Solve for x
    x = 734,104,438,562.16/887,415.60
  6. Step 6: Final answer
    x = 827,238.60

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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.