Home / 1,168,786.32-1,612,950.30-645,495.36

Finding the Fourth Proportional to 1,168,786.32, 1,612,950.30 and 645,495.36

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Solution

The fourth proportional to 1,168,786.32, 1,612,950.30 and 645,495.36 is: 890,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,786.32 : 1,612,950.30 = 645,495.36 : x
  2. Step 2: Convert to fraction form
    1,168,786.32/1,612,950.30 = 645,495.36/x
  3. Step 3: Cross multiply
    1,168,786.32x = 1,612,950.30 × 645,495.36
  4. Step 4: Simplify right side
    1,168,786.32x = 1,041,151,934,560.61
  5. Step 5: Solve for x
    x = 1,041,151,934,560.61/1,168,786.32
  6. Step 6: Final answer
    x = 890,797.50

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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.