Home / 1,022,854.77-1,412,144.35-909,363.38

Finding the Fourth Proportional to 1,022,854.77, 1,412,144.35 and 909,363.38

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Solution

The fourth proportional to 1,022,854.77, 1,412,144.35 and 909,363.38 is: 1,255,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,854.77 : 1,412,144.35 = 909,363.38 : x
  2. Step 2: Convert to fraction form
    1,022,854.77/1,412,144.35 = 909,363.38/x
  3. Step 3: Cross multiply
    1,022,854.77x = 1,412,144.35 × 909,363.38
  4. Step 4: Simplify right side
    1,022,854.77x = 1,284,152,349,829.77
  5. Step 5: Solve for x
    x = 1,284,152,349,829.77/1,022,854.77
  6. Step 6: Final answer
    x = 1,255,459.12

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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.