Home / 1,615,595.32-2,229,535.13-890,444.91

Finding the Fourth Proportional to 1,615,595.32, 2,229,535.13 and 890,444.91

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Solution

The fourth proportional to 1,615,595.32, 2,229,535.13 and 890,444.91 is: 1,228,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,595.32 : 2,229,535.13 = 890,444.91 : x
  2. Step 2: Convert to fraction form
    1,615,595.32/2,229,535.13 = 890,444.91/x
  3. Step 3: Cross multiply
    1,615,595.32x = 2,229,535.13 × 890,444.91
  4. Step 4: Simplify right side
    1,615,595.32x = 1,985,278,212,083.22
  5. Step 5: Solve for x
    x = 1,985,278,212,083.22/1,615,595.32
  6. Step 6: Final answer
    x = 1,228,821.47

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1.5x scale

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.