Home / 1,260,212.28-1,738,110.06-807,545.40

Finding the Fourth Proportional to 1,260,212.28, 1,738,110.06 and 807,545.40

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Solution

The fourth proportional to 1,260,212.28, 1,738,110.06 and 807,545.40 is: 1,113,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,212.28 : 1,738,110.06 = 807,545.40 : x
  2. Step 2: Convert to fraction form
    1,260,212.28/1,738,110.06 = 807,545.40/x
  3. Step 3: Cross multiply
    1,260,212.28x = 1,738,110.06 × 807,545.40
  4. Step 4: Simplify right side
    1,260,212.28x = 1,403,602,783,646.72
  5. Step 5: Solve for x
    x = 1,403,602,783,646.72/1,260,212.28
  6. Step 6: Final answer
    x = 1,113,782.82

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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.