Home / 1,102,152.43-1,520,964.24-618,717.45

Finding the Fourth Proportional to 1,102,152.43, 1,520,964.24 and 618,717.45

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Solution

The fourth proportional to 1,102,152.43, 1,520,964.24 and 618,717.45 is: 853,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,152.43 : 1,520,964.24 = 618,717.45 : x
  2. Step 2: Convert to fraction form
    1,102,152.43/1,520,964.24 = 618,717.45/x
  3. Step 3: Cross multiply
    1,102,152.43x = 1,520,964.24 × 618,717.45
  4. Step 4: Simplify right side
    1,102,152.43x = 941,047,108,509.17
  5. Step 5: Solve for x
    x = 941,047,108,509.17/1,102,152.43
  6. Step 6: Final answer
    x = 853,826.64

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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.