Home / 1,423,733.05-1,964,725.36-779,140.32

Finding the Fourth Proportional to 1,423,733.05, 1,964,725.36 and 779,140.32

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Solution

The fourth proportional to 1,423,733.05, 1,964,725.36 and 779,140.32 is: 1,075,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,733.05 : 1,964,725.36 = 779,140.32 : x
  2. Step 2: Convert to fraction form
    1,423,733.05/1,964,725.36 = 779,140.32/x
  3. Step 3: Cross multiply
    1,423,733.05x = 1,964,725.36 × 779,140.32
  4. Step 4: Simplify right side
    1,423,733.05x = 1,530,796,745,702.52
  5. Step 5: Solve for x
    x = 1,530,796,745,702.52/1,423,733.05
  6. Step 6: Final answer
    x = 1,075,199.28

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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.