Home / 1,275,652.80-1,913,479.20-517,492.80

Finding the Fourth Proportional to 1,275,652.80, 1,913,479.20 and 517,492.80

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Solution

The fourth proportional to 1,275,652.80, 1,913,479.20 and 517,492.80 is: 776,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,652.80 : 1,913,479.20 = 517,492.80 : x
  2. Step 2: Convert to fraction form
    1,275,652.80/1,913,479.20 = 517,492.80/x
  3. Step 3: Cross multiply
    1,275,652.80x = 1,913,479.20 × 517,492.80
  4. Step 4: Simplify right side
    1,275,652.80x = 990,211,708,949.76
  5. Step 5: Solve for x
    x = 990,211,708,949.76/1,275,652.80
  6. Step 6: Final answer
    x = 776,239.20

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Similar ratio
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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.