Home / 1,427,882.61-2,142,384.63-628,603.38

Finding the Fourth Proportional to 1,427,882.61, 2,142,384.63 and 628,603.38

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Solution

The fourth proportional to 1,427,882.61, 2,142,384.63 and 628,603.38 is: 943,151.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,882.61 : 2,142,384.63 = 628,603.38 : x
  2. Step 2: Convert to fraction form
    1,427,882.61/2,142,384.63 = 628,603.38/x
  3. Step 3: Cross multiply
    1,427,882.61x = 2,142,384.63 × 628,603.38
  4. Step 4: Simplify right side
    1,427,882.61x = 1,346,710,219,678.05
  5. Step 5: Solve for x
    x = 1,346,710,219,678.05/1,427,882.61
  6. Step 6: Final answer
    x = 943,151.92

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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.