Home / 990,218.60-1,482,769.80-683,417.26

Finding the Fourth Proportional to 990,218.60, 1,482,769.80 and 683,417.26

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Solution

The fourth proportional to 990,218.60, 1,482,769.80 and 683,417.26 is: 1,023,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,218.60 : 1,482,769.80 = 683,417.26 : x
  2. Step 2: Convert to fraction form
    990,218.60/1,482,769.80 = 683,417.26/x
  3. Step 3: Cross multiply
    990,218.60x = 1,482,769.80 × 683,417.26
  4. Step 4: Simplify right side
    990,218.60x = 1,013,350,473,926.75
  5. Step 5: Solve for x
    x = 1,013,350,473,926.75/990,218.60
  6. Step 6: Final answer
    x = 1,023,360.37

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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.