Home / 1,008,679.60-1,513,019.40-931,697.20

Finding the Fourth Proportional to 1,008,679.60, 1,513,019.40 and 931,697.20

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Solution

The fourth proportional to 1,008,679.60, 1,513,019.40 and 931,697.20 is: 1,397,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,679.60 : 1,513,019.40 = 931,697.20 : x
  2. Step 2: Convert to fraction form
    1,008,679.60/1,513,019.40 = 931,697.20/x
  3. Step 3: Cross multiply
    1,008,679.60x = 1,513,019.40 × 931,697.20
  4. Step 4: Simplify right side
    1,008,679.60x = 1,409,675,938,525.68
  5. Step 5: Solve for x
    x = 1,409,675,938,525.68/1,008,679.60
  6. Step 6: Final answer
    x = 1,397,545.80

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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.