Home / 1,386,239.10-2,077,803.45-712,059.90

Finding the Fourth Proportional to 1,386,239.10, 2,077,803.45 and 712,059.90

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Solution

The fourth proportional to 1,386,239.10, 2,077,803.45 and 712,059.90 is: 1,067,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,239.10 : 2,077,803.45 = 712,059.90 : x
  2. Step 2: Convert to fraction form
    1,386,239.10/2,077,803.45 = 712,059.90/x
  3. Step 3: Cross multiply
    1,386,239.10x = 2,077,803.45 × 712,059.90
  4. Step 4: Simplify right side
    1,386,239.10x = 1,479,520,516,826.66
  5. Step 5: Solve for x
    x = 1,479,520,516,826.66/1,386,239.10
  6. Step 6: Final answer
    x = 1,067,291.00

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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.