Home / 668,123.80-1,001,019.30-574,811.80

Finding the Fourth Proportional to 668,123.80, 1,001,019.30 and 574,811.80

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Solution

The fourth proportional to 668,123.80, 1,001,019.30 and 574,811.80 is: 861,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,123.80 : 1,001,019.30 = 574,811.80 : x
  2. Step 2: Convert to fraction form
    668,123.80/1,001,019.30 = 574,811.80/x
  3. Step 3: Cross multiply
    668,123.80x = 1,001,019.30 × 574,811.80
  4. Step 4: Simplify right side
    668,123.80x = 575,397,705,667.74
  5. Step 5: Solve for x
    x = 575,397,705,667.74/668,123.80
  6. Step 6: Final answer
    x = 861,214.20

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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.