Home / 1,071,125.93-1,478,153.66-612,250.30

Finding the Fourth Proportional to 1,071,125.93, 1,478,153.66 and 612,250.30

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Solution

The fourth proportional to 1,071,125.93, 1,478,153.66 and 612,250.30 is: 844,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,125.93 : 1,478,153.66 = 612,250.30 : x
  2. Step 2: Convert to fraction form
    1,071,125.93/1,478,153.66 = 612,250.30/x
  3. Step 3: Cross multiply
    1,071,125.93x = 1,478,153.66 × 612,250.30
  4. Step 4: Simplify right side
    1,071,125.93x = 905,000,015,024.46
  5. Step 5: Solve for x
    x = 905,000,015,024.46/1,071,125.93
  6. Step 6: Final answer
    x = 844,905.34

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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.