Home / 1,187,141.50-1,780,699.12-288,584.10

Finding the Fourth Proportional to 1,187,141.50, 1,780,699.12 and 288,584.10

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Solution

The fourth proportional to 1,187,141.50, 1,780,699.12 and 288,584.10 is: 432,872.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,141.50 : 1,780,699.12 = 288,584.10 : x
  2. Step 2: Convert to fraction form
    1,187,141.50/1,780,699.12 = 288,584.10/x
  3. Step 3: Cross multiply
    1,187,141.50x = 1,780,699.12 × 288,584.10
  4. Step 4: Simplify right side
    1,187,141.50x = 513,881,452,194.53
  5. Step 5: Solve for x
    x = 513,881,452,194.53/1,187,141.50
  6. Step 6: Final answer
    x = 432,872.96

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1.5x scale

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.