Home / 1,237,773.12-1,708,686.48-779,561.04

Finding the Fourth Proportional to 1,237,773.12, 1,708,686.48 and 779,561.04

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Solution

The fourth proportional to 1,237,773.12, 1,708,686.48 and 779,561.04 is: 1,076,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,773.12 : 1,708,686.48 = 779,561.04 : x
  2. Step 2: Convert to fraction form
    1,237,773.12/1,708,686.48 = 779,561.04/x
  3. Step 3: Cross multiply
    1,237,773.12x = 1,708,686.48 × 779,561.04
  4. Step 4: Simplify right side
    1,237,773.12x = 1,332,025,409,382.74
  5. Step 5: Solve for x
    x = 1,332,025,409,382.74/1,237,773.12
  6. Step 6: Final answer
    x = 1,076,146.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.