Home / 1,138,713.37-1,571,580.71-655,268.65

Finding the Fourth Proportional to 1,138,713.37, 1,571,580.71 and 655,268.65

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Solution

The fourth proportional to 1,138,713.37, 1,571,580.71 and 655,268.65 is: 904,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,713.37 : 1,571,580.71 = 655,268.65 : x
  2. Step 2: Convert to fraction form
    1,138,713.37/1,571,580.71 = 655,268.65/x
  3. Step 3: Cross multiply
    1,138,713.37x = 1,571,580.71 × 655,268.65
  4. Step 4: Simplify right side
    1,138,713.37x = 1,029,807,566,931.40
  5. Step 5: Solve for x
    x = 1,029,807,566,931.40/1,138,713.37
  6. Step 6: Final answer
    x = 904,360.65

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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.