Home / 1,199,586.72-1,655,429.75-655,724.66

Finding the Fourth Proportional to 1,199,586.72, 1,655,429.75 and 655,724.66

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Solution

The fourth proportional to 1,199,586.72, 1,655,429.75 and 655,724.66 is: 904,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,586.72 : 1,655,429.75 = 655,724.66 : x
  2. Step 2: Convert to fraction form
    1,199,586.72/1,655,429.75 = 655,724.66/x
  3. Step 3: Cross multiply
    1,199,586.72x = 1,655,429.75 × 655,724.66
  4. Step 4: Simplify right side
    1,199,586.72x = 1,085,506,109,972.64
  5. Step 5: Solve for x
    x = 1,085,506,109,972.64/1,199,586.72
  6. Step 6: Final answer
    x = 904,900.07

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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.