Home / 991,263.60-1,486,895.40-940,087.80

Finding the Fourth Proportional to 991,263.60, 1,486,895.40 and 940,087.80

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Solution

The fourth proportional to 991,263.60, 1,486,895.40 and 940,087.80 is: 1,410,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,263.60 : 1,486,895.40 = 940,087.80 : x
  2. Step 2: Convert to fraction form
    991,263.60/1,486,895.40 = 940,087.80/x
  3. Step 3: Cross multiply
    991,263.60x = 1,486,895.40 × 940,087.80
  4. Step 4: Simplify right side
    991,263.60x = 1,397,812,225,416.12
  5. Step 5: Solve for x
    x = 1,397,812,225,416.12/991,263.60
  6. Step 6: Final answer
    x = 1,410,131.70

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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.