Home / 1,351,885.39-1,865,601.71-740,038.57

Finding the Fourth Proportional to 1,351,885.39, 1,865,601.71 and 740,038.57

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Solution

The fourth proportional to 1,351,885.39, 1,865,601.71 and 740,038.57 is: 1,021,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,885.39 : 1,865,601.71 = 740,038.57 : x
  2. Step 2: Convert to fraction form
    1,351,885.39/1,865,601.71 = 740,038.57/x
  3. Step 3: Cross multiply
    1,351,885.39x = 1,865,601.71 × 740,038.57
  4. Step 4: Simplify right side
    1,351,885.39x = 1,380,617,221,657.95
  5. Step 5: Solve for x
    x = 1,380,617,221,657.95/1,351,885.39
  6. Step 6: Final answer
    x = 1,021,253.16

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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.