Home / 1,154,315.36-1,592,924.64-645,021.92

Finding the Fourth Proportional to 1,154,315.36, 1,592,924.64 and 645,021.92

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Solution

The fourth proportional to 1,154,315.36, 1,592,924.64 and 645,021.92 is: 890,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,315.36 : 1,592,924.64 = 645,021.92 : x
  2. Step 2: Convert to fraction form
    1,154,315.36/1,592,924.64 = 645,021.92/x
  3. Step 3: Cross multiply
    1,154,315.36x = 1,592,924.64 × 645,021.92
  4. Step 4: Simplify right side
    1,154,315.36x = 1,027,471,309,708.11
  5. Step 5: Solve for x
    x = 1,027,471,309,708.11/1,154,315.36
  6. Step 6: Final answer
    x = 890,113.17

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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.