Home / 1,299,444.20-1,949,166.30-1,249,677.80

Finding the Fourth Proportional to 1,299,444.20, 1,949,166.30 and 1,249,677.80

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Solution

The fourth proportional to 1,299,444.20, 1,949,166.30 and 1,249,677.80 is: 1,874,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,444.20 : 1,949,166.30 = 1,249,677.80 : x
  2. Step 2: Convert to fraction form
    1,299,444.20/1,949,166.30 = 1,249,677.80/x
  3. Step 3: Cross multiply
    1,299,444.20x = 1,949,166.30 × 1,249,677.80
  4. Step 4: Simplify right side
    1,299,444.20x = 2,435,829,853,618.14
  5. Step 5: Solve for x
    x = 2,435,829,853,618.14/1,299,444.20
  6. Step 6: Final answer
    x = 1,874,516.70

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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.