Home / 1,102,436.32-1,521,528.48-672,966.40

Finding the Fourth Proportional to 1,102,436.32, 1,521,528.48 and 672,966.40

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Solution

The fourth proportional to 1,102,436.32, 1,521,528.48 and 672,966.40 is: 928,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,436.32 : 1,521,528.48 = 672,966.40 : x
  2. Step 2: Convert to fraction form
    1,102,436.32/1,521,528.48 = 672,966.40/x
  3. Step 3: Cross multiply
    1,102,436.32x = 1,521,528.48 × 672,966.40
  4. Step 4: Simplify right side
    1,102,436.32x = 1,023,937,543,683.07
  5. Step 5: Solve for x
    x = 1,023,937,543,683.07/1,102,436.32
  6. Step 6: Final answer
    x = 928,795.18

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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.