Home / 1,578,406.76-2,368,206.34-947,758.76

Finding the Fourth Proportional to 1,578,406.76, 2,368,206.34 and 947,758.76

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Solution

The fourth proportional to 1,578,406.76, 2,368,206.34 and 947,758.76 is: 1,421,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,406.76 : 2,368,206.34 = 947,758.76 : x
  2. Step 2: Convert to fraction form
    1,578,406.76/2,368,206.34 = 947,758.76/x
  3. Step 3: Cross multiply
    1,578,406.76x = 2,368,206.34 × 947,758.76
  4. Step 4: Simplify right side
    1,578,406.76x = 2,244,488,304,222.54
  5. Step 5: Solve for x
    x = 2,244,488,304,222.54/1,578,406.76
  6. Step 6: Final answer
    x = 1,421,996.13

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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.