Home / 1,437,167.07-2,153,834.82-679,209.57

Finding the Fourth Proportional to 1,437,167.07, 2,153,834.82 and 679,209.57

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Solution

The fourth proportional to 1,437,167.07, 2,153,834.82 and 679,209.57 is: 1,017,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,167.07 : 2,153,834.82 = 679,209.57 : x
  2. Step 2: Convert to fraction form
    1,437,167.07/2,153,834.82 = 679,209.57/x
  3. Step 3: Cross multiply
    1,437,167.07x = 2,153,834.82 × 679,209.57
  4. Step 4: Simplify right side
    1,437,167.07x = 1,462,905,221,943.23
  5. Step 5: Solve for x
    x = 1,462,905,221,943.23/1,437,167.07
  6. Step 6: Final answer
    x = 1,017,908.95

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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.