Home / 1,177,454.34-1,766,444.76-429,500.34

Finding the Fourth Proportional to 1,177,454.34, 1,766,444.76 and 429,500.34

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Solution

The fourth proportional to 1,177,454.34, 1,766,444.76 and 429,500.34 is: 644,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,454.34 : 1,766,444.76 = 429,500.34 : x
  2. Step 2: Convert to fraction form
    1,177,454.34/1,766,444.76 = 429,500.34/x
  3. Step 3: Cross multiply
    1,177,454.34x = 1,766,444.76 × 429,500.34
  4. Step 4: Simplify right side
    1,177,454.34x = 758,688,625,011.22
  5. Step 5: Solve for x
    x = 758,688,625,011.22/1,177,454.34
  6. Step 6: Final answer
    x = 644,346.54

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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.