Home / 1,100,925.72-1,519,259.22-642,306.96

Finding the Fourth Proportional to 1,100,925.72, 1,519,259.22 and 642,306.96

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Solution

The fourth proportional to 1,100,925.72, 1,519,259.22 and 642,306.96 is: 886,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,925.72 : 1,519,259.22 = 642,306.96 : x
  2. Step 2: Convert to fraction form
    1,100,925.72/1,519,259.22 = 642,306.96/x
  3. Step 3: Cross multiply
    1,100,925.72x = 1,519,259.22 × 642,306.96
  4. Step 4: Simplify right side
    1,100,925.72x = 975,830,771,050.17
  5. Step 5: Solve for x
    x = 975,830,771,050.17/1,100,925.72
  6. Step 6: Final answer
    x = 886,372.94

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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.