Home / 1,433,505.02-1,977,950.19-821,849.65

Finding the Fourth Proportional to 1,433,505.02, 1,977,950.19 and 821,849.65

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Solution

The fourth proportional to 1,433,505.02, 1,977,950.19 and 821,849.65 is: 1,133,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,505.02 : 1,977,950.19 = 821,849.65 : x
  2. Step 2: Convert to fraction form
    1,433,505.02/1,977,950.19 = 821,849.65/x
  3. Step 3: Cross multiply
    1,433,505.02x = 1,977,950.19 × 821,849.65
  4. Step 4: Simplify right side
    1,433,505.02x = 1,625,577,672,204.56
  5. Step 5: Solve for x
    x = 1,625,577,672,204.56/1,433,505.02
  6. Step 6: Final answer
    x = 1,133,988.13

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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.