Home / 1,386,017.10-2,079,025.65-854,138.70

Finding the Fourth Proportional to 1,386,017.10, 2,079,025.65 and 854,138.70

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Solution

The fourth proportional to 1,386,017.10, 2,079,025.65 and 854,138.70 is: 1,281,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,017.10 : 2,079,025.65 = 854,138.70 : x
  2. Step 2: Convert to fraction form
    1,386,017.10/2,079,025.65 = 854,138.70/x
  3. Step 3: Cross multiply
    1,386,017.10x = 2,079,025.65 × 854,138.70
  4. Step 4: Simplify right side
    1,386,017.10x = 1,775,776,265,957.65
  5. Step 5: Solve for x
    x = 1,775,776,265,957.65/1,386,017.10
  6. Step 6: Final answer
    x = 1,281,208.05

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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.