Home / 1,013,488.20-1,520,281.26-265,534.92

Finding the Fourth Proportional to 1,013,488.20, 1,520,281.26 and 265,534.92

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Solution

The fourth proportional to 1,013,488.20, 1,520,281.26 and 265,534.92 is: 398,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,488.20 : 1,520,281.26 = 265,534.92 : x
  2. Step 2: Convert to fraction form
    1,013,488.20/1,520,281.26 = 265,534.92/x
  3. Step 3: Cross multiply
    1,013,488.20x = 1,520,281.26 × 265,534.92
  4. Step 4: Simplify right side
    1,013,488.20x = 403,687,762,751.60
  5. Step 5: Solve for x
    x = 403,687,762,751.60/1,013,488.20
  6. Step 6: Final answer
    x = 398,315.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.