Home / 1,423,655.52-1,964,644.64-779,075.74

Finding the Fourth Proportional to 1,423,655.52, 1,964,644.64 and 779,075.74

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Solution

The fourth proportional to 1,423,655.52, 1,964,644.64 and 779,075.74 is: 1,075,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,655.52 : 1,964,644.64 = 779,075.74 : x
  2. Step 2: Convert to fraction form
    1,423,655.52/1,964,644.64 = 779,075.74/x
  3. Step 3: Cross multiply
    1,423,655.52x = 1,964,644.64 × 779,075.74
  4. Step 4: Simplify right side
    1,423,655.52x = 1,530,606,976,745.03
  5. Step 5: Solve for x
    x = 1,530,606,976,745.03/1,423,655.52
  6. Step 6: Final answer
    x = 1,075,124.53

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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.