Home / 1,078,734.80-1,488,660.36-595,312.40

Finding the Fourth Proportional to 1,078,734.80, 1,488,660.36 and 595,312.40

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Solution

The fourth proportional to 1,078,734.80, 1,488,660.36 and 595,312.40 is: 821,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,734.80 : 1,488,660.36 = 595,312.40 : x
  2. Step 2: Convert to fraction form
    1,078,734.80/1,488,660.36 = 595,312.40/x
  3. Step 3: Cross multiply
    1,078,734.80x = 1,488,660.36 × 595,312.40
  4. Step 4: Simplify right side
    1,078,734.80x = 886,217,971,696.46
  5. Step 5: Solve for x
    x = 886,217,971,696.46/1,078,734.80
  6. Step 6: Final answer
    x = 821,534.61

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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.