Home / 1,102,373.84-1,521,442.44-672,904.40

Finding the Fourth Proportional to 1,102,373.84, 1,521,442.44 and 672,904.40

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Solution

The fourth proportional to 1,102,373.84, 1,521,442.44 and 672,904.40 is: 928,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,373.84 : 1,521,442.44 = 672,904.40 : x
  2. Step 2: Convert to fraction form
    1,102,373.84/1,521,442.44 = 672,904.40/x
  3. Step 3: Cross multiply
    1,102,373.84x = 1,521,442.44 × 672,904.40
  4. Step 4: Simplify right side
    1,102,373.84x = 1,023,785,312,222.74
  5. Step 5: Solve for x
    x = 1,023,785,312,222.74/1,102,373.84
  6. Step 6: Final answer
    x = 928,709.73

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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.