Home / 1,472,639.80-2,208,959.70-1,024,742.20

Finding the Fourth Proportional to 1,472,639.80, 2,208,959.70 and 1,024,742.20

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Solution

The fourth proportional to 1,472,639.80, 2,208,959.70 and 1,024,742.20 is: 1,537,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,639.80 : 2,208,959.70 = 1,024,742.20 : x
  2. Step 2: Convert to fraction form
    1,472,639.80/2,208,959.70 = 1,024,742.20/x
  3. Step 3: Cross multiply
    1,472,639.80x = 2,208,959.70 × 1,024,742.20
  4. Step 4: Simplify right side
    1,472,639.80x = 2,263,614,222,689.34
  5. Step 5: Solve for x
    x = 2,263,614,222,689.34/1,472,639.80
  6. Step 6: Final answer
    x = 1,537,113.30

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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.