Home / 1,011,705.12-1,396,434.60-582,123.65

Finding the Fourth Proportional to 1,011,705.12, 1,396,434.60 and 582,123.65

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Solution

The fourth proportional to 1,011,705.12, 1,396,434.60 and 582,123.65 is: 803,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,705.12 : 1,396,434.60 = 582,123.65 : x
  2. Step 2: Convert to fraction form
    1,011,705.12/1,396,434.60 = 582,123.65/x
  3. Step 3: Cross multiply
    1,011,705.12x = 1,396,434.60 × 582,123.65
  4. Step 4: Simplify right side
    1,011,705.12x = 812,897,599,356.12
  5. Step 5: Solve for x
    x = 812,897,599,356.12/1,011,705.12
  6. Step 6: Final answer
    x = 803,492.62

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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.