Home / 1,247,331.51-1,721,214.38-703,600.93

Finding the Fourth Proportional to 1,247,331.51, 1,721,214.38 and 703,600.93

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Solution

The fourth proportional to 1,247,331.51, 1,721,214.38 and 703,600.93 is: 970,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,331.51 : 1,721,214.38 = 703,600.93 : x
  2. Step 2: Convert to fraction form
    1,247,331.51/1,721,214.38 = 703,600.93/x
  3. Step 3: Cross multiply
    1,247,331.51x = 1,721,214.38 × 703,600.93
  4. Step 4: Simplify right side
    1,247,331.51x = 1,211,048,026,373.30
  5. Step 5: Solve for x
    x = 1,211,048,026,373.30/1,247,331.51
  6. Step 6: Final answer
    x = 970,911.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.