Home / 1,038,699.40-1,558,049.10-814,750.60

Finding the Fourth Proportional to 1,038,699.40, 1,558,049.10 and 814,750.60

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Solution

The fourth proportional to 1,038,699.40, 1,558,049.10 and 814,750.60 is: 1,222,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,699.40 : 1,558,049.10 = 814,750.60 : x
  2. Step 2: Convert to fraction form
    1,038,699.40/1,558,049.10 = 814,750.60/x
  3. Step 3: Cross multiply
    1,038,699.40x = 1,558,049.10 × 814,750.60
  4. Step 4: Simplify right side
    1,038,699.40x = 1,269,421,439,054.46
  5. Step 5: Solve for x
    x = 1,269,421,439,054.46/1,038,699.40
  6. Step 6: Final answer
    x = 1,222,125.90

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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.