Home / 921,801.60-1,382,702.40-735,177.60

Finding the Fourth Proportional to 921,801.60, 1,382,702.40 and 735,177.60

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Solution

The fourth proportional to 921,801.60, 1,382,702.40 and 735,177.60 is: 1,102,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,801.60 : 1,382,702.40 = 735,177.60 : x
  2. Step 2: Convert to fraction form
    921,801.60/1,382,702.40 = 735,177.60/x
  3. Step 3: Cross multiply
    921,801.60x = 1,382,702.40 × 735,177.60
  4. Step 4: Simplify right side
    921,801.60x = 1,016,531,831,946.24
  5. Step 5: Solve for x
    x = 1,016,531,831,946.24/921,801.60
  6. Step 6: Final answer
    x = 1,102,766.40

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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.