Home / 1,148,999.35-1,721,885.81-908,053.92

Finding the Fourth Proportional to 1,148,999.35, 1,721,885.81 and 908,053.92

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Solution

The fourth proportional to 1,148,999.35, 1,721,885.81 and 908,053.92 is: 1,360,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,999.35 : 1,721,885.81 = 908,053.92 : x
  2. Step 2: Convert to fraction form
    1,148,999.35/1,721,885.81 = 908,053.92/x
  3. Step 3: Cross multiply
    1,148,999.35x = 1,721,885.81 × 908,053.92
  4. Step 4: Simplify right side
    1,148,999.35x = 1,563,565,159,562.88
  5. Step 5: Solve for x
    x = 1,563,565,159,562.88/1,148,999.35
  6. Step 6: Final answer
    x = 1,360,805.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.