Home / 1,168,857.32-1,752,233.34-420,377

Finding the Fourth Proportional to 1,168,857.32, 1,752,233.34 and 420,377

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Solution

The fourth proportional to 1,168,857.32, 1,752,233.34 and 420,377 is: 630,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,857.32 : 1,752,233.34 = 420,377 : x
  2. Step 2: Convert to fraction form
    1,168,857.32/1,752,233.34 = 420,377/x
  3. Step 3: Cross multiply
    1,168,857.32x = 1,752,233.34 × 420,377
  4. Step 4: Simplify right side
    1,168,857.32x = 736,598,594,769.18
  5. Step 5: Solve for x
    x = 736,598,594,769.18/1,168,857.32
  6. Step 6: Final answer
    x = 630,186.92

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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.