Home / 1,589,821.79-2,373,964.01-1,261,931.22

Finding the Fourth Proportional to 1,589,821.79, 2,373,964.01 and 1,261,931.22

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Solution

The fourth proportional to 1,589,821.79, 2,373,964.01 and 1,261,931.22 is: 1,884,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,821.79 : 2,373,964.01 = 1,261,931.22 : x
  2. Step 2: Convert to fraction form
    1,589,821.79/2,373,964.01 = 1,261,931.22/x
  3. Step 3: Cross multiply
    1,589,821.79x = 2,373,964.01 × 1,261,931.22
  4. Step 4: Simplify right side
    1,589,821.79x = 2,995,779,302,530.22
  5. Step 5: Solve for x
    x = 2,995,779,302,530.22/1,589,821.79
  6. Step 6: Final answer
    x = 1,884,349.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.