Home / 1,362,641.78-2,044,253.28-679,895.75

Finding the Fourth Proportional to 1,362,641.78, 2,044,253.28 and 679,895.75

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Solution

The fourth proportional to 1,362,641.78, 2,044,253.28 and 679,895.75 is: 1,019,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,641.78 : 2,044,253.28 = 679,895.75 : x
  2. Step 2: Convert to fraction form
    1,362,641.78/2,044,253.28 = 679,895.75/x
  3. Step 3: Cross multiply
    1,362,641.78x = 2,044,253.28 × 679,895.75
  4. Step 4: Simplify right side
    1,362,641.78x = 1,389,879,106,774.29
  5. Step 5: Solve for x
    x = 1,389,879,106,774.29/1,362,641.78
  6. Step 6: Final answer
    x = 1,019,988.62

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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.