Home / 1,349,633.39-1,862,506.49-768,847.91

Finding the Fourth Proportional to 1,349,633.39, 1,862,506.49 and 768,847.91

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Solution

The fourth proportional to 1,349,633.39, 1,862,506.49 and 768,847.91 is: 1,061,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,633.39 : 1,862,506.49 = 768,847.91 : x
  2. Step 2: Convert to fraction form
    1,349,633.39/1,862,506.49 = 768,847.91/x
  3. Step 3: Cross multiply
    1,349,633.39x = 1,862,506.49 × 768,847.91
  4. Step 4: Simplify right side
    1,349,633.39x = 1,431,984,209,041.16
  5. Step 5: Solve for x
    x = 1,431,984,209,041.16/1,349,633.39
  6. Step 6: Final answer
    x = 1,061,017.18

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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.