Home / 1,012,658.30-1,517,658.69-745,166.30

Finding the Fourth Proportional to 1,012,658.30, 1,517,658.69 and 745,166.30

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Solution

The fourth proportional to 1,012,658.30, 1,517,658.69 and 745,166.30 is: 1,116,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,658.30 : 1,517,658.69 = 745,166.30 : x
  2. Step 2: Convert to fraction form
    1,012,658.30/1,517,658.69 = 745,166.30/x
  3. Step 3: Cross multiply
    1,012,658.30x = 1,517,658.69 × 745,166.30
  4. Step 4: Simplify right side
    1,012,658.30x = 1,130,908,110,690.15
  5. Step 5: Solve for x
    x = 1,130,908,110,690.15/1,012,658.30
  6. Step 6: Final answer
    x = 1,116,771.68

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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.