Home / 1,672,390.13-2,307,860.71-974,627.78

Finding the Fourth Proportional to 1,672,390.13, 2,307,860.71 and 974,627.78

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Solution

The fourth proportional to 1,672,390.13, 2,307,860.71 and 974,627.78 is: 1,344,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,390.13 : 2,307,860.71 = 974,627.78 : x
  2. Step 2: Convert to fraction form
    1,672,390.13/2,307,860.71 = 974,627.78/x
  3. Step 3: Cross multiply
    1,672,390.13x = 2,307,860.71 × 974,627.78
  4. Step 4: Simplify right side
    1,672,390.13x = 2,249,305,146,360.65
  5. Step 5: Solve for x
    x = 2,249,305,146,360.65/1,672,390.13
  6. Step 6: Final answer
    x = 1,344,964.38

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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.