Home / 1,067,446.32-1,472,835.06-637,642.50

Finding the Fourth Proportional to 1,067,446.32, 1,472,835.06 and 637,642.50

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Solution

The fourth proportional to 1,067,446.32, 1,472,835.06 and 637,642.50 is: 879,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,446.32 : 1,472,835.06 = 637,642.50 : x
  2. Step 2: Convert to fraction form
    1,067,446.32/1,472,835.06 = 637,642.50/x
  3. Step 3: Cross multiply
    1,067,446.32x = 1,472,835.06 × 637,642.50
  4. Step 4: Simplify right side
    1,067,446.32x = 939,142,229,746.05
  5. Step 5: Solve for x
    x = 939,142,229,746.05/1,067,446.32
  6. Step 6: Final answer
    x = 879,802.77

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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.