Home / 942,170.06-1,412,719.70-643,013.05

Finding the Fourth Proportional to 942,170.06, 1,412,719.70 and 643,013.05

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Solution

The fourth proportional to 942,170.06, 1,412,719.70 and 643,013.05 is: 964,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,170.06 : 1,412,719.70 = 643,013.05 : x
  2. Step 2: Convert to fraction form
    942,170.06/1,412,719.70 = 643,013.05/x
  3. Step 3: Cross multiply
    942,170.06x = 1,412,719.70 × 643,013.05
  4. Step 4: Simplify right side
    942,170.06x = 908,397,196,345.22
  5. Step 5: Solve for x
    x = 908,397,196,345.22/942,170.06
  6. Step 6: Final answer
    x = 964,154.18

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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.