Home / 1,586,316.32-2,188,885.54-907,121.60

Finding the Fourth Proportional to 1,586,316.32, 2,188,885.54 and 907,121.60

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Solution

The fourth proportional to 1,586,316.32, 2,188,885.54 and 907,121.60 is: 1,251,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,316.32 : 2,188,885.54 = 907,121.60 : x
  2. Step 2: Convert to fraction form
    1,586,316.32/2,188,885.54 = 907,121.60/x
  3. Step 3: Cross multiply
    1,586,316.32x = 2,188,885.54 × 907,121.60
  4. Step 4: Simplify right side
    1,586,316.32x = 1,985,585,348,726.06
  5. Step 5: Solve for x
    x = 1,985,585,348,726.06/1,586,316.32
  6. Step 6: Final answer
    x = 1,251,695.72

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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.