Home / 1,071,174.65-1,478,221.03-612,299.16

Finding the Fourth Proportional to 1,071,174.65, 1,478,221.03 and 612,299.16

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Solution

The fourth proportional to 1,071,174.65, 1,478,221.03 and 612,299.16 is: 844,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,174.65 : 1,478,221.03 = 612,299.16 : x
  2. Step 2: Convert to fraction form
    1,071,174.65/1,478,221.03 = 612,299.16/x
  3. Step 3: Cross multiply
    1,071,174.65x = 1,478,221.03 × 612,299.16
  4. Step 4: Simplify right side
    1,071,174.65x = 905,113,495,728.71
  5. Step 5: Solve for x
    x = 905,113,495,728.71/1,071,174.65
  6. Step 6: Final answer
    x = 844,972.85

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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.