Home / 1,229,049.55-1,843,574.37-387,666.91

Finding the Fourth Proportional to 1,229,049.55, 1,843,574.37 and 387,666.91

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Solution

The fourth proportional to 1,229,049.55, 1,843,574.37 and 387,666.91 is: 581,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,049.55 : 1,843,574.37 = 387,666.91 : x
  2. Step 2: Convert to fraction form
    1,229,049.55/1,843,574.37 = 387,666.91/x
  3. Step 3: Cross multiply
    1,229,049.55x = 1,843,574.37 × 387,666.91
  4. Step 4: Simplify right side
    1,229,049.55x = 714,692,779,373.10
  5. Step 5: Solve for x
    x = 714,692,779,373.10/1,229,049.55
  6. Step 6: Final answer
    x = 581,500.38

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1.5x scale

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.