Home / 1,264,756.32-1,896,291.76-696,405.06

Finding the Fourth Proportional to 1,264,756.32, 1,896,291.76 and 696,405.06

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Solution

The fourth proportional to 1,264,756.32, 1,896,291.76 and 696,405.06 is: 1,044,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,756.32 : 1,896,291.76 = 696,405.06 : x
  2. Step 2: Convert to fraction form
    1,264,756.32/1,896,291.76 = 696,405.06/x
  3. Step 3: Cross multiply
    1,264,756.32x = 1,896,291.76 × 696,405.06
  4. Step 4: Simplify right side
    1,264,756.32x = 1,320,587,176,900.31
  5. Step 5: Solve for x
    x = 1,320,587,176,900.31/1,264,756.32
  6. Step 6: Final answer
    x = 1,044,143.57

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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.