Home / 1,145,242.63-1,580,263.39-655,134.22

Finding the Fourth Proportional to 1,145,242.63, 1,580,263.39 and 655,134.22

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Solution

The fourth proportional to 1,145,242.63, 1,580,263.39 and 655,134.22 is: 903,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,242.63 : 1,580,263.39 = 655,134.22 : x
  2. Step 2: Convert to fraction form
    1,145,242.63/1,580,263.39 = 655,134.22/x
  3. Step 3: Cross multiply
    1,145,242.63x = 1,580,263.39 × 655,134.22
  4. Step 4: Simplify right side
    1,145,242.63x = 1,035,284,626,196.45
  5. Step 5: Solve for x
    x = 1,035,284,626,196.45/1,145,242.63
  6. Step 6: Final answer
    x = 903,987.15

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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.