Home / 1,312,258.26-1,811,024.05-739,337.16

Finding the Fourth Proportional to 1,312,258.26, 1,811,024.05 and 739,337.16

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Solution

The fourth proportional to 1,312,258.26, 1,811,024.05 and 739,337.16 is: 1,020,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,258.26 : 1,811,024.05 = 739,337.16 : x
  2. Step 2: Convert to fraction form
    1,312,258.26/1,811,024.05 = 739,337.16/x
  3. Step 3: Cross multiply
    1,312,258.26x = 1,811,024.05 × 739,337.16
  4. Step 4: Simplify right side
    1,312,258.26x = 1,338,957,377,818.70
  5. Step 5: Solve for x
    x = 1,338,957,377,818.70/1,312,258.26
  6. Step 6: Final answer
    x = 1,020,345.93

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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.