Home / 1,144,417.32-1,579,285.62-628,155.90

Finding the Fourth Proportional to 1,144,417.32, 1,579,285.62 and 628,155.90

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Solution

The fourth proportional to 1,144,417.32, 1,579,285.62 and 628,155.90 is: 866,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,417.32 : 1,579,285.62 = 628,155.90 : x
  2. Step 2: Convert to fraction form
    1,144,417.32/1,579,285.62 = 628,155.90/x
  3. Step 3: Cross multiply
    1,144,417.32x = 1,579,285.62 × 628,155.90
  4. Step 4: Simplify right side
    1,144,417.32x = 992,037,579,988.16
  5. Step 5: Solve for x
    x = 992,037,579,988.16/1,144,417.32
  6. Step 6: Final answer
    x = 866,849.50

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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.