Home / 1,223,143.80-1,834,715.70-744,846.90

Finding the Fourth Proportional to 1,223,143.80, 1,834,715.70 and 744,846.90

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Solution

The fourth proportional to 1,223,143.80, 1,834,715.70 and 744,846.90 is: 1,117,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,143.80 : 1,834,715.70 = 744,846.90 : x
  2. Step 2: Convert to fraction form
    1,223,143.80/1,834,715.70 = 744,846.90/x
  3. Step 3: Cross multiply
    1,223,143.80x = 1,834,715.70 × 744,846.90
  4. Step 4: Simplify right side
    1,223,143.80x = 1,366,582,301,526.33
  5. Step 5: Solve for x
    x = 1,366,582,301,526.33/1,223,143.80
  6. Step 6: Final answer
    x = 1,117,270.35

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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.