Home / 1,130,434.79-1,559,999.52-621,169.97

Finding the Fourth Proportional to 1,130,434.79, 1,559,999.52 and 621,169.97

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Solution

The fourth proportional to 1,130,434.79, 1,559,999.52 and 621,169.97 is: 857,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,434.79 : 1,559,999.52 = 621,169.97 : x
  2. Step 2: Convert to fraction form
    1,130,434.79/1,559,999.52 = 621,169.97/x
  3. Step 3: Cross multiply
    1,130,434.79x = 1,559,999.52 × 621,169.97
  4. Step 4: Simplify right side
    1,130,434.79x = 969,024,847,238.42
  5. Step 5: Solve for x
    x = 969,024,847,238.42/1,130,434.79
  6. Step 6: Final answer
    x = 857,214.29

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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.