Home / 1,386,204.60-2,077,751.70-712,025.40

Finding the Fourth Proportional to 1,386,204.60, 2,077,751.70 and 712,025.40

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Solution

The fourth proportional to 1,386,204.60, 2,077,751.70 and 712,025.40 is: 1,067,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,204.60 : 2,077,751.70 = 712,025.40 : x
  2. Step 2: Convert to fraction form
    1,386,204.60/2,077,751.70 = 712,025.40/x
  3. Step 3: Cross multiply
    1,386,204.60x = 2,077,751.70 × 712,025.40
  4. Step 4: Simplify right side
    1,386,204.60x = 1,479,411,985,293.18
  5. Step 5: Solve for x
    x = 1,479,411,985,293.18/1,386,204.60
  6. Step 6: Final answer
    x = 1,067,239.27

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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.