Home / 1,425,734.07-1,967,437.78-813,862.50

Finding the Fourth Proportional to 1,425,734.07, 1,967,437.78 and 813,862.50

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Solution

The fourth proportional to 1,425,734.07, 1,967,437.78 and 813,862.50 is: 1,123,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,734.07 : 1,967,437.78 = 813,862.50 : x
  2. Step 2: Convert to fraction form
    1,425,734.07/1,967,437.78 = 813,862.50/x
  3. Step 3: Cross multiply
    1,425,734.07x = 1,967,437.78 × 813,862.50
  4. Step 4: Simplify right side
    1,425,734.07x = 1,601,223,830,225.25
  5. Step 5: Solve for x
    x = 1,601,223,830,225.25/1,425,734.07
  6. Step 6: Final answer
    x = 1,123,087.30

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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.