Home / 1,102,346.10-1,521,403.83-672,875.19

Finding the Fourth Proportional to 1,102,346.10, 1,521,403.83 and 672,875.19

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Solution

The fourth proportional to 1,102,346.10, 1,521,403.83 and 672,875.19 is: 928,669.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,346.10 : 1,521,403.83 = 672,875.19 : x
  2. Step 2: Convert to fraction form
    1,102,346.10/1,521,403.83 = 672,875.19/x
  3. Step 3: Cross multiply
    1,102,346.10x = 1,521,403.83 × 672,875.19
  4. Step 4: Simplify right side
    1,102,346.10x = 1,023,714,891,177.98
  5. Step 5: Solve for x
    x = 1,023,714,891,177.98/1,102,346.10
  6. Step 6: Final answer
    x = 928,669.22

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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.