Home / 1,267,153.12-1,748,409.21-723,465.83

Finding the Fourth Proportional to 1,267,153.12, 1,748,409.21 and 723,465.83

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Solution

The fourth proportional to 1,267,153.12, 1,748,409.21 and 723,465.83 is: 998,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,153.12 : 1,748,409.21 = 723,465.83 : x
  2. Step 2: Convert to fraction form
    1,267,153.12/1,748,409.21 = 723,465.83/x
  3. Step 3: Cross multiply
    1,267,153.12x = 1,748,409.21 × 723,465.83
  4. Step 4: Simplify right side
    1,267,153.12x = 1,264,914,320,292.29
  5. Step 5: Solve for x
    x = 1,264,914,320,292.29/1,267,153.12
  6. Step 6: Final answer
    x = 998,233.21

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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.