Home / 1,239,052.61-1,710,000.80-722,972.76

Finding the Fourth Proportional to 1,239,052.61, 1,710,000.80 and 722,972.76

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Solution

The fourth proportional to 1,239,052.61, 1,710,000.80 and 722,972.76 is: 997,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,052.61 : 1,710,000.80 = 722,972.76 : x
  2. Step 2: Convert to fraction form
    1,239,052.61/1,710,000.80 = 722,972.76/x
  3. Step 3: Cross multiply
    1,239,052.61x = 1,710,000.80 × 722,972.76
  4. Step 4: Simplify right side
    1,239,052.61x = 1,236,283,994,363.34
  5. Step 5: Solve for x
    x = 1,236,283,994,363.34/1,239,052.61
  6. Step 6: Final answer
    x = 997,765.54

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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.