Home / 1,423,621.84-1,964,598.36-779,042.20

Finding the Fourth Proportional to 1,423,621.84, 1,964,598.36 and 779,042.20

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Solution

The fourth proportional to 1,423,621.84, 1,964,598.36 and 779,042.20 is: 1,075,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,621.84 : 1,964,598.36 = 779,042.20 : x
  2. Step 2: Convert to fraction form
    1,423,621.84/1,964,598.36 = 779,042.20/x
  3. Step 3: Cross multiply
    1,423,621.84x = 1,964,598.36 × 779,042.20
  4. Step 4: Simplify right side
    1,423,621.84x = 1,530,505,028,490.79
  5. Step 5: Solve for x
    x = 1,530,505,028,490.79/1,423,621.84
  6. Step 6: Final answer
    x = 1,075,078.36

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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.