Home / 1,385,729.10-2,078,711.51-487,093.23

Finding the Fourth Proportional to 1,385,729.10, 2,078,711.51 and 487,093.23

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Solution

The fourth proportional to 1,385,729.10, 2,078,711.51 and 487,093.23 is: 730,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,729.10 : 2,078,711.51 = 487,093.23 : x
  2. Step 2: Convert to fraction form
    1,385,729.10/2,078,711.51 = 487,093.23/x
  3. Step 3: Cross multiply
    1,385,729.10x = 2,078,711.51 × 487,093.23
  4. Step 4: Simplify right side
    1,385,729.10x = 1,012,526,301,208.61
  5. Step 5: Solve for x
    x = 1,012,526,301,208.61/1,385,729.10
  6. Step 6: Final answer
    x = 730,681.27

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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.