Home / 1,084,386.28-1,625,083.44-782,461.12

Finding the Fourth Proportional to 1,084,386.28, 1,625,083.44 and 782,461.12

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Solution

The fourth proportional to 1,084,386.28, 1,625,083.44 and 782,461.12 is: 1,172,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,386.28 : 1,625,083.44 = 782,461.12 : x
  2. Step 2: Convert to fraction form
    1,084,386.28/1,625,083.44 = 782,461.12/x
  3. Step 3: Cross multiply
    1,084,386.28x = 1,625,083.44 × 782,461.12
  4. Step 4: Simplify right side
    1,084,386.28x = 1,271,564,608,555.85
  5. Step 5: Solve for x
    x = 1,271,564,608,555.85/1,084,386.28
  6. Step 6: Final answer
    x = 1,172,612.23

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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.