Home / 1,127,038.30-1,555,479.78-713,613.51

Finding the Fourth Proportional to 1,127,038.30, 1,555,479.78 and 713,613.51

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Solution

The fourth proportional to 1,127,038.30, 1,555,479.78 and 713,613.51 is: 984,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,038.30 : 1,555,479.78 = 713,613.51 : x
  2. Step 2: Convert to fraction form
    1,127,038.30/1,555,479.78 = 713,613.51/x
  3. Step 3: Cross multiply
    1,127,038.30x = 1,555,479.78 × 713,613.51
  4. Step 4: Simplify right side
    1,127,038.30x = 1,110,011,385,539.83
  5. Step 5: Solve for x
    x = 1,110,011,385,539.83/1,127,038.30
  6. Step 6: Final answer
    x = 984,892.34

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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.