Home / 1,663,634.40-2,495,451.60-907,807.20

Finding the Fourth Proportional to 1,663,634.40, 2,495,451.60 and 907,807.20

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Solution

The fourth proportional to 1,663,634.40, 2,495,451.60 and 907,807.20 is: 1,361,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,634.40 : 2,495,451.60 = 907,807.20 : x
  2. Step 2: Convert to fraction form
    1,663,634.40/2,495,451.60 = 907,807.20/x
  3. Step 3: Cross multiply
    1,663,634.40x = 2,495,451.60 × 907,807.20
  4. Step 4: Simplify right side
    1,663,634.40x = 2,265,388,929,731.52
  5. Step 5: Solve for x
    x = 2,265,388,929,731.52/1,663,634.40
  6. Step 6: Final answer
    x = 1,361,710.80

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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.