Home / 1,424,069.91-1,965,219.37-779,531.24

Finding the Fourth Proportional to 1,424,069.91, 1,965,219.37 and 779,531.24

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Solution

The fourth proportional to 1,424,069.91, 1,965,219.37 and 779,531.24 is: 1,075,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,069.91 : 1,965,219.37 = 779,531.24 : x
  2. Step 2: Convert to fraction form
    1,424,069.91/1,965,219.37 = 779,531.24/x
  3. Step 3: Cross multiply
    1,424,069.91x = 1,965,219.37 × 779,531.24
  4. Step 4: Simplify right side
    1,424,069.91x = 1,531,949,895,332.34
  5. Step 5: Solve for x
    x = 1,531,949,895,332.34/1,424,069.91
  6. Step 6: Final answer
    x = 1,075,754.70

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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.