Home / 1,240,818.65-1,862,821.90-956,689.68

Finding the Fourth Proportional to 1,240,818.65, 1,862,821.90 and 956,689.68

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Solution

The fourth proportional to 1,240,818.65, 1,862,821.90 and 956,689.68 is: 1,436,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,818.65 : 1,862,821.90 = 956,689.68 : x
  2. Step 2: Convert to fraction form
    1,240,818.65/1,862,821.90 = 956,689.68/x
  3. Step 3: Cross multiply
    1,240,818.65x = 1,862,821.90 × 956,689.68
  4. Step 4: Simplify right side
    1,240,818.65x = 1,782,142,495,589.44
  5. Step 5: Solve for x
    x = 1,782,142,495,589.44/1,240,818.65
  6. Step 6: Final answer
    x = 1,436,263.47

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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.