Home / 1,349,374.40-2,021,109.15-1,172,227.40

Finding the Fourth Proportional to 1,349,374.40, 2,021,109.15 and 1,172,227.40

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Solution

The fourth proportional to 1,349,374.40, 2,021,109.15 and 1,172,227.40 is: 1,755,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,374.40 : 2,021,109.15 = 1,172,227.40 : x
  2. Step 2: Convert to fraction form
    1,349,374.40/2,021,109.15 = 1,172,227.40/x
  3. Step 3: Cross multiply
    1,349,374.40x = 2,021,109.15 × 1,172,227.40
  4. Step 4: Simplify right side
    1,349,374.40x = 2,369,199,524,020.71
  5. Step 5: Solve for x
    x = 2,369,199,524,020.71/1,349,374.40
  6. Step 6: Final answer
    x = 1,755,776.25

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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.