Home / 1,007,011.62-1,389,705.57-548,156.12

Finding the Fourth Proportional to 1,007,011.62, 1,389,705.57 and 548,156.12

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Solution

The fourth proportional to 1,007,011.62, 1,389,705.57 and 548,156.12 is: 756,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,011.62 : 1,389,705.57 = 548,156.12 : x
  2. Step 2: Convert to fraction form
    1,007,011.62/1,389,705.57 = 548,156.12/x
  3. Step 3: Cross multiply
    1,007,011.62x = 1,389,705.57 × 548,156.12
  4. Step 4: Simplify right side
    1,007,011.62x = 761,775,613,193.59
  5. Step 5: Solve for x
    x = 761,775,613,193.59/1,007,011.62
  6. Step 6: Final answer
    x = 756,471.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.