Home / 1,036,156.32-1,429,502.49-628,109.28

Finding the Fourth Proportional to 1,036,156.32, 1,429,502.49 and 628,109.28

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Solution

The fourth proportional to 1,036,156.32, 1,429,502.49 and 628,109.28 is: 866,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,156.32 : 1,429,502.49 = 628,109.28 : x
  2. Step 2: Convert to fraction form
    1,036,156.32/1,429,502.49 = 628,109.28/x
  3. Step 3: Cross multiply
    1,036,156.32x = 1,429,502.49 × 628,109.28
  4. Step 4: Simplify right side
    1,036,156.32x = 897,883,779,752.11
  5. Step 5: Solve for x
    x = 897,883,779,752.11/1,036,156.32
  6. Step 6: Final answer
    x = 866,552.43

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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.