Home / 1,142,376.15-1,713,582.42-432,213.51

Finding the Fourth Proportional to 1,142,376.15, 1,713,582.42 and 432,213.51

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Solution

The fourth proportional to 1,142,376.15, 1,713,582.42 and 432,213.51 is: 648,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,376.15 : 1,713,582.42 = 432,213.51 : x
  2. Step 2: Convert to fraction form
    1,142,376.15/1,713,582.42 = 432,213.51/x
  3. Step 3: Cross multiply
    1,142,376.15x = 1,713,582.42 × 432,213.51
  4. Step 4: Simplify right side
    1,142,376.15x = 740,633,472,422.49
  5. Step 5: Solve for x
    x = 740,633,472,422.49/1,142,376.15
  6. Step 6: Final answer
    x = 648,327.15

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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.