Home / 1,174,258.60-1,620,449.42-690,854.86

Finding the Fourth Proportional to 1,174,258.60, 1,620,449.42 and 690,854.86

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Solution

The fourth proportional to 1,174,258.60, 1,620,449.42 and 690,854.86 is: 953,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,258.60 : 1,620,449.42 = 690,854.86 : x
  2. Step 2: Convert to fraction form
    1,174,258.60/1,620,449.42 = 690,854.86/x
  3. Step 3: Cross multiply
    1,174,258.60x = 1,620,449.42 × 690,854.86
  4. Step 4: Simplify right side
    1,174,258.60x = 1,119,495,355,762.47
  5. Step 5: Solve for x
    x = 1,119,495,355,762.47/1,174,258.60
  6. Step 6: Final answer
    x = 953,363.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.