Home / 869,131.40-1,302,141.90-735,384.20

Finding the Fourth Proportional to 869,131.40, 1,302,141.90 and 735,384.20

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Solution

The fourth proportional to 869,131.40, 1,302,141.90 and 735,384.20 is: 1,101,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,131.40 : 1,302,141.90 = 735,384.20 : x
  2. Step 2: Convert to fraction form
    869,131.40/1,302,141.90 = 735,384.20/x
  3. Step 3: Cross multiply
    869,131.40x = 1,302,141.90 × 735,384.20
  4. Step 4: Simplify right side
    869,131.40x = 957,574,579,417.98
  5. Step 5: Solve for x
    x = 957,574,579,417.98/869,131.40
  6. Step 6: Final answer
    x = 1,101,760.42

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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.