Home / 936,436.60-1,402,686.60-778,972.60

Finding the Fourth Proportional to 936,436.60, 1,402,686.60 and 778,972.60

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Solution

The fourth proportional to 936,436.60, 1,402,686.60 and 778,972.60 is: 1,166,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,436.60 : 1,402,686.60 = 778,972.60 : x
  2. Step 2: Convert to fraction form
    936,436.60/1,402,686.60 = 778,972.60/x
  3. Step 3: Cross multiply
    936,436.60x = 1,402,686.60 × 778,972.60
  4. Step 4: Simplify right side
    936,436.60x = 1,092,654,427,787.16
  5. Step 5: Solve for x
    x = 1,092,654,427,787.16/936,436.60
  6. Step 6: Final answer
    x = 1,166,821.57

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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.