Home / 1,386,174.08-1,913,031.36-1,102,039.04

Finding the Fourth Proportional to 1,386,174.08, 1,913,031.36 and 1,102,039.04

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Solution

The fourth proportional to 1,386,174.08, 1,913,031.36 and 1,102,039.04 is: 1,520,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,174.08 : 1,913,031.36 = 1,102,039.04 : x
  2. Step 2: Convert to fraction form
    1,386,174.08/1,913,031.36 = 1,102,039.04/x
  3. Step 3: Cross multiply
    1,386,174.08x = 1,913,031.36 × 1,102,039.04
  4. Step 4: Simplify right side
    1,386,174.08x = 2,108,235,243,464.29
  5. Step 5: Solve for x
    x = 2,108,235,243,464.29/1,386,174.08
  6. Step 6: Final answer
    x = 1,520,902.23

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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.