Home / 1,034,159.80-1,551,239.70-768,439.30

Finding the Fourth Proportional to 1,034,159.80, 1,551,239.70 and 768,439.30

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Solution

The fourth proportional to 1,034,159.80, 1,551,239.70 and 768,439.30 is: 1,152,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,159.80 : 1,551,239.70 = 768,439.30 : x
  2. Step 2: Convert to fraction form
    1,034,159.80/1,551,239.70 = 768,439.30/x
  3. Step 3: Cross multiply
    1,034,159.80x = 1,551,239.70 × 768,439.30
  4. Step 4: Simplify right side
    1,034,159.80x = 1,192,033,549,200.21
  5. Step 5: Solve for x
    x = 1,192,033,549,200.21/1,034,159.80
  6. Step 6: Final answer
    x = 1,152,658.95

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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.