Home / 1,564,543.42-2,158,995.27-960,814.78

Finding the Fourth Proportional to 1,564,543.42, 2,158,995.27 and 960,814.78

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Solution

The fourth proportional to 1,564,543.42, 2,158,995.27 and 960,814.78 is: 1,325,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,543.42 : 2,158,995.27 = 960,814.78 : x
  2. Step 2: Convert to fraction form
    1,564,543.42/2,158,995.27 = 960,814.78/x
  3. Step 3: Cross multiply
    1,564,543.42x = 2,158,995.27 × 960,814.78
  4. Step 4: Simplify right side
    1,564,543.42x = 2,074,394,565,366.09
  5. Step 5: Solve for x
    x = 2,074,394,565,366.09/1,564,543.42
  6. Step 6: Final answer
    x = 1,325,878.55

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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.