Home / 1,424,151.16-1,965,331.15-779,610.83

Finding the Fourth Proportional to 1,424,151.16, 1,965,331.15 and 779,610.83

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Solution

The fourth proportional to 1,424,151.16, 1,965,331.15 and 779,610.83 is: 1,075,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,151.16 : 1,965,331.15 = 779,610.83 : x
  2. Step 2: Convert to fraction form
    1,424,151.16/1,965,331.15 = 779,610.83/x
  3. Step 3: Cross multiply
    1,424,151.16x = 1,965,331.15 × 779,610.83
  4. Step 4: Simplify right side
    1,424,151.16x = 1,532,193,437,300.67
  5. Step 5: Solve for x
    x = 1,532,193,437,300.67/1,424,151.16
  6. Step 6: Final answer
    x = 1,075,864.33

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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.