Home / 1,465,246.80-2,197,870.20-518,713.20

Finding the Fourth Proportional to 1,465,246.80, 2,197,870.20 and 518,713.20

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Solution

The fourth proportional to 1,465,246.80, 2,197,870.20 and 518,713.20 is: 778,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,246.80 : 2,197,870.20 = 518,713.20 : x
  2. Step 2: Convert to fraction form
    1,465,246.80/2,197,870.20 = 518,713.20/x
  3. Step 3: Cross multiply
    1,465,246.80x = 2,197,870.20 × 518,713.20
  4. Step 4: Simplify right side
    1,465,246.80x = 1,140,064,284,626.64
  5. Step 5: Solve for x
    x = 1,140,064,284,626.64/1,465,246.80
  6. Step 6: Final answer
    x = 778,069.80

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Double scale
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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.