Home / 1,407,080.82-2,113,445.34-839,569.20

Finding the Fourth Proportional to 1,407,080.82, 2,113,445.34 and 839,569.20

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Solution

The fourth proportional to 1,407,080.82, 2,113,445.34 and 839,569.20 is: 1,261,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,080.82 : 2,113,445.34 = 839,569.20 : x
  2. Step 2: Convert to fraction form
    1,407,080.82/2,113,445.34 = 839,569.20/x
  3. Step 3: Cross multiply
    1,407,080.82x = 2,113,445.34 × 839,569.20
  4. Step 4: Simplify right side
    1,407,080.82x = 1,774,383,613,347.53
  5. Step 5: Solve for x
    x = 1,774,383,613,347.53/1,407,080.82
  6. Step 6: Final answer
    x = 1,261,038.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.