Home / 976,831.60-1,465,247.40-889,740.40

Finding the Fourth Proportional to 976,831.60, 1,465,247.40 and 889,740.40

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Solution

The fourth proportional to 976,831.60, 1,465,247.40 and 889,740.40 is: 1,334,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,831.60 : 1,465,247.40 = 889,740.40 : x
  2. Step 2: Convert to fraction form
    976,831.60/1,465,247.40 = 889,740.40/x
  3. Step 3: Cross multiply
    976,831.60x = 1,465,247.40 × 889,740.40
  4. Step 4: Simplify right side
    976,831.60x = 1,303,689,807,774.96
  5. Step 5: Solve for x
    x = 1,303,689,807,774.96/976,831.60
  6. Step 6: Final answer
    x = 1,334,610.60

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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.