Home / 1,239,477.84-1,859,191.92-815,690.52

Finding the Fourth Proportional to 1,239,477.84, 1,859,191.92 and 815,690.52

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Solution

The fourth proportional to 1,239,477.84, 1,859,191.92 and 815,690.52 is: 1,223,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,477.84 : 1,859,191.92 = 815,690.52 : x
  2. Step 2: Convert to fraction form
    1,239,477.84/1,859,191.92 = 815,690.52/x
  3. Step 3: Cross multiply
    1,239,477.84x = 1,859,191.92 × 815,690.52
  4. Step 4: Simplify right side
    1,239,477.84x = 1,516,525,224,004.60
  5. Step 5: Solve for x
    x = 1,516,525,224,004.60/1,239,477.84
  6. Step 6: Final answer
    x = 1,223,519.43

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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.