Home / 1,207,323.51-1,665,743.10-723,712.20

Finding the Fourth Proportional to 1,207,323.51, 1,665,743.10 and 723,712.20

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Solution

The fourth proportional to 1,207,323.51, 1,665,743.10 and 723,712.20 is: 998,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,323.51 : 1,665,743.10 = 723,712.20 : x
  2. Step 2: Convert to fraction form
    1,207,323.51/1,665,743.10 = 723,712.20/x
  3. Step 3: Cross multiply
    1,207,323.51x = 1,665,743.10 × 723,712.20
  4. Step 4: Simplify right side
    1,207,323.51x = 1,205,518,603,535.82
  5. Step 5: Solve for x
    x = 1,205,518,603,535.82/1,207,323.51
  6. Step 6: Final answer
    x = 998,505.03

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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.