Home / 1,138,955.37-1,572,154.23-655,713.12

Finding the Fourth Proportional to 1,138,955.37, 1,572,154.23 and 655,713.12

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Solution

The fourth proportional to 1,138,955.37, 1,572,154.23 and 655,713.12 is: 905,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,955.37 : 1,572,154.23 = 655,713.12 : x
  2. Step 2: Convert to fraction form
    1,138,955.37/1,572,154.23 = 655,713.12/x
  3. Step 3: Cross multiply
    1,138,955.37x = 1,572,154.23 × 655,713.12
  4. Step 4: Simplify right side
    1,138,955.37x = 1,030,882,155,274.50
  5. Step 5: Solve for x
    x = 1,030,882,155,274.50/1,138,955.37
  6. Step 6: Final answer
    x = 905,111.98

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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.