Home / 1,634,824.36-2,452,237.89-781,695.28

Finding the Fourth Proportional to 1,634,824.36, 2,452,237.89 and 781,695.28

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Solution

The fourth proportional to 1,634,824.36, 2,452,237.89 and 781,695.28 is: 1,172,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,824.36 : 2,452,237.89 = 781,695.28 : x
  2. Step 2: Convert to fraction form
    1,634,824.36/2,452,237.89 = 781,695.28/x
  3. Step 3: Cross multiply
    1,634,824.36x = 2,452,237.89 × 781,695.28
  4. Step 4: Simplify right side
    1,634,824.36x = 1,916,902,784,050.16
  5. Step 5: Solve for x
    x = 1,916,902,784,050.16/1,634,824.36
  6. Step 6: Final answer
    x = 1,172,543.57

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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.