Home / 1,438,921.60-1,985,853.12-835,273.60

Finding the Fourth Proportional to 1,438,921.60, 1,985,853.12 and 835,273.60

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Solution

The fourth proportional to 1,438,921.60, 1,985,853.12 and 835,273.60 is: 1,152,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,921.60 : 1,985,853.12 = 835,273.60 : x
  2. Step 2: Convert to fraction form
    1,438,921.60/1,985,853.12 = 835,273.60/x
  3. Step 3: Cross multiply
    1,438,921.60x = 1,985,853.12 × 835,273.60
  4. Step 4: Simplify right side
    1,438,921.60x = 1,658,730,684,613.63
  5. Step 5: Solve for x
    x = 1,658,730,684,613.63/1,438,921.60
  6. Step 6: Final answer
    x = 1,152,759.60

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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.