Home / 1,578,972.76-2,178,849.96-934,279.98

Finding the Fourth Proportional to 1,578,972.76, 2,178,849.96 and 934,279.98

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Solution

The fourth proportional to 1,578,972.76, 2,178,849.96 and 934,279.98 is: 1,289,228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,972.76 : 2,178,849.96 = 934,279.98 : x
  2. Step 2: Convert to fraction form
    1,578,972.76/2,178,849.96 = 934,279.98/x
  3. Step 3: Cross multiply
    1,578,972.76x = 2,178,849.96 × 934,279.98
  4. Step 4: Simplify right side
    1,578,972.76x = 2,035,655,897,051.80
  5. Step 5: Solve for x
    x = 2,035,655,897,051.80/1,578,972.76
  6. Step 6: Final answer
    x = 1,289,228.00

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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.