Home / 1,427,648.04-1,970,209.46-783,095.40

Finding the Fourth Proportional to 1,427,648.04, 1,970,209.46 and 783,095.40

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Solution

The fourth proportional to 1,427,648.04, 1,970,209.46 and 783,095.40 is: 1,080,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,648.04 : 1,970,209.46 = 783,095.40 : x
  2. Step 2: Convert to fraction form
    1,427,648.04/1,970,209.46 = 783,095.40/x
  3. Step 3: Cross multiply
    1,427,648.04x = 1,970,209.46 × 783,095.40
  4. Step 4: Simplify right side
    1,427,648.04x = 1,542,861,965,162.48
  5. Step 5: Solve for x
    x = 1,542,861,965,162.48/1,427,648.04
  6. Step 6: Final answer
    x = 1,080,701.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.