Home / 1,311,707.88-1,967,562.18-1,012,625.10

Finding the Fourth Proportional to 1,311,707.88, 1,967,562.18 and 1,012,625.10

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Solution

The fourth proportional to 1,311,707.88, 1,967,562.18 and 1,012,625.10 is: 1,518,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,707.88 : 1,967,562.18 = 1,012,625.10 : x
  2. Step 2: Convert to fraction form
    1,311,707.88/1,967,562.18 = 1,012,625.10/x
  3. Step 3: Cross multiply
    1,311,707.88x = 1,967,562.18 × 1,012,625.10
  4. Step 4: Simplify right side
    1,311,707.88x = 1,992,402,849,278.72
  5. Step 5: Solve for x
    x = 1,992,402,849,278.72/1,311,707.88
  6. Step 6: Final answer
    x = 1,518,937.93

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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.