Home / 1,130,403.80-1,695,871.79-372,305.77

Finding the Fourth Proportional to 1,130,403.80, 1,695,871.79 and 372,305.77

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Solution

The fourth proportional to 1,130,403.80, 1,695,871.79 and 372,305.77 is: 558,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,403.80 : 1,695,871.79 = 372,305.77 : x
  2. Step 2: Convert to fraction form
    1,130,403.80/1,695,871.79 = 372,305.77/x
  3. Step 3: Cross multiply
    1,130,403.80x = 1,695,871.79 × 372,305.77
  4. Step 4: Simplify right side
    1,130,403.80x = 631,382,847,892.17
  5. Step 5: Solve for x
    x = 631,382,847,892.17/1,130,403.80
  6. Step 6: Final answer
    x = 558,546.29

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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.