Home / 1,189,071.90-1,780,655.40-952,875.90

Finding the Fourth Proportional to 1,189,071.90, 1,780,655.40 and 952,875.90

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Solution

The fourth proportional to 1,189,071.90, 1,780,655.40 and 952,875.90 is: 1,426,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,071.90 : 1,780,655.40 = 952,875.90 : x
  2. Step 2: Convert to fraction form
    1,189,071.90/1,780,655.40 = 952,875.90/x
  3. Step 3: Cross multiply
    1,189,071.90x = 1,780,655.40 × 952,875.90
  4. Step 4: Simplify right side
    1,189,071.90x = 1,696,743,616,864.86
  5. Step 5: Solve for x
    x = 1,696,743,616,864.86/1,189,071.90
  6. Step 6: Final answer
    x = 1,426,947.87

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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.