Home / 1,323,063.86-1,982,091.62-781,701.18

Finding the Fourth Proportional to 1,323,063.86, 1,982,091.62 and 781,701.18

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Solution

The fourth proportional to 1,323,063.86, 1,982,091.62 and 781,701.18 is: 1,171,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,063.86 : 1,982,091.62 = 781,701.18 : x
  2. Step 2: Convert to fraction form
    1,323,063.86/1,982,091.62 = 781,701.18/x
  3. Step 3: Cross multiply
    1,323,063.86x = 1,982,091.62 × 781,701.18
  4. Step 4: Simplify right side
    1,323,063.86x = 1,549,403,358,222.11
  5. Step 5: Solve for x
    x = 1,549,403,358,222.11/1,323,063.86
  6. Step 6: Final answer
    x = 1,171,072.24

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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.