Home / 966,219.60-1,449,329.40-859,931.40

Finding the Fourth Proportional to 966,219.60, 1,449,329.40 and 859,931.40

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Solution

The fourth proportional to 966,219.60, 1,449,329.40 and 859,931.40 is: 1,289,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,219.60 : 1,449,329.40 = 859,931.40 : x
  2. Step 2: Convert to fraction form
    966,219.60/1,449,329.40 = 859,931.40/x
  3. Step 3: Cross multiply
    966,219.60x = 1,449,329.40 × 859,931.40
  4. Step 4: Simplify right side
    966,219.60x = 1,246,323,860,003.16
  5. Step 5: Solve for x
    x = 1,246,323,860,003.16/966,219.60
  6. Step 6: Final answer
    x = 1,289,897.10

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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.