Home / 1,186,732.18-1,780,073.69-288,178.63

Finding the Fourth Proportional to 1,186,732.18, 1,780,073.69 and 288,178.63

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Solution

The fourth proportional to 1,186,732.18, 1,780,073.69 and 288,178.63 is: 432,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,732.18 : 1,780,073.69 = 288,178.63 : x
  2. Step 2: Convert to fraction form
    1,186,732.18/1,780,073.69 = 288,178.63/x
  3. Step 3: Cross multiply
    1,186,732.18x = 1,780,073.69 × 288,178.63
  4. Step 4: Simplify right side
    1,186,732.18x = 512,979,191,392.17
  5. Step 5: Solve for x
    x = 512,979,191,392.17/1,186,732.18
  6. Step 6: Final answer
    x = 432,261.97

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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.