Home / 1,657,221.10-2,485,831.65-858,747.40

Finding the Fourth Proportional to 1,657,221.10, 2,485,831.65 and 858,747.40

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Solution

The fourth proportional to 1,657,221.10, 2,485,831.65 and 858,747.40 is: 1,288,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,221.10 : 2,485,831.65 = 858,747.40 : x
  2. Step 2: Convert to fraction form
    1,657,221.10/2,485,831.65 = 858,747.40/x
  3. Step 3: Cross multiply
    1,657,221.10x = 2,485,831.65 × 858,747.40
  4. Step 4: Simplify right side
    1,657,221.10x = 2,134,701,466,275.21
  5. Step 5: Solve for x
    x = 2,134,701,466,275.21/1,657,221.10
  6. Step 6: Final answer
    x = 1,288,121.10

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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.