Home / 939,412.76-1,409,373.22-669,881.30

Finding the Fourth Proportional to 939,412.76, 1,409,373.22 and 669,881.30

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Solution

The fourth proportional to 939,412.76, 1,409,373.22 and 669,881.30 is: 1,005,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,412.76 : 1,409,373.22 = 669,881.30 : x
  2. Step 2: Convert to fraction form
    939,412.76/1,409,373.22 = 669,881.30/x
  3. Step 3: Cross multiply
    939,412.76x = 1,409,373.22 × 669,881.30
  4. Step 4: Simplify right side
    939,412.76x = 944,112,764,798.79
  5. Step 5: Solve for x
    x = 944,112,764,798.79/939,412.76
  6. Step 6: Final answer
    x = 1,005,003.13

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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.