Home / 1,148,278.72-1,722,667-349,539.38

Finding the Fourth Proportional to 1,148,278.72, 1,722,667 and 349,539.38

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Solution

The fourth proportional to 1,148,278.72, 1,722,667 and 349,539.38 is: 524,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,278.72 : 1,722,667 = 349,539.38 : x
  2. Step 2: Convert to fraction form
    1,148,278.72/1,722,667 = 349,539.38/x
  3. Step 3: Cross multiply
    1,148,278.72x = 1,722,667 × 349,539.38
  4. Step 4: Simplify right side
    1,148,278.72x = 602,139,955,126.46
  5. Step 5: Solve for x
    x = 602,139,955,126.46/1,148,278.72
  6. Step 6: Final answer
    x = 524,384.84

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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.