Home / 1,386,281.80-2,079,422.70-852,070.60

Finding the Fourth Proportional to 1,386,281.80, 2,079,422.70 and 852,070.60

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Solution

The fourth proportional to 1,386,281.80, 2,079,422.70 and 852,070.60 is: 1,278,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,281.80 : 2,079,422.70 = 852,070.60 : x
  2. Step 2: Convert to fraction form
    1,386,281.80/2,079,422.70 = 852,070.60/x
  3. Step 3: Cross multiply
    1,386,281.80x = 2,079,422.70 × 852,070.60
  4. Step 4: Simplify right side
    1,386,281.80x = 1,771,814,947,642.62
  5. Step 5: Solve for x
    x = 1,771,814,947,642.62/1,386,281.80
  6. Step 6: Final answer
    x = 1,278,105.90

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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.