Home / 1,386,866.40-2,080,299.60-852,655.20

Finding the Fourth Proportional to 1,386,866.40, 2,080,299.60 and 852,655.20

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Solution

The fourth proportional to 1,386,866.40, 2,080,299.60 and 852,655.20 is: 1,278,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,866.40 : 2,080,299.60 = 852,655.20 : x
  2. Step 2: Convert to fraction form
    1,386,866.40/2,080,299.60 = 852,655.20/x
  3. Step 3: Cross multiply
    1,386,866.40x = 2,080,299.60 × 852,655.20
  4. Step 4: Simplify right side
    1,386,866.40x = 1,773,778,271,497.92
  5. Step 5: Solve for x
    x = 1,773,778,271,497.92/1,386,866.40
  6. Step 6: Final answer
    x = 1,278,982.80

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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.