Home / 995,437.50-1,490,831.20-915,057.05

Finding the Fourth Proportional to 995,437.50, 1,490,831.20 and 915,057.05

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Solution

The fourth proportional to 995,437.50, 1,490,831.20 and 915,057.05 is: 1,370,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,437.50 : 1,490,831.20 = 915,057.05 : x
  2. Step 2: Convert to fraction form
    995,437.50/1,490,831.20 = 915,057.05/x
  3. Step 3: Cross multiply
    995,437.50x = 1,490,831.20 × 915,057.05
  4. Step 4: Simplify right side
    995,437.50x = 1,364,195,599,421.95
  5. Step 5: Solve for x
    x = 1,364,195,599,421.95/995,437.50
  6. Step 6: Final answer
    x = 1,370,448.27

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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.