Home / 1,130,979-1,560,754.26-647,551.56

Finding the Fourth Proportional to 1,130,979, 1,560,754.26 and 647,551.56

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Solution

The fourth proportional to 1,130,979, 1,560,754.26 and 647,551.56 is: 893,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,979 : 1,560,754.26 = 647,551.56 : x
  2. Step 2: Convert to fraction form
    1,130,979/1,560,754.26 = 647,551.56/x
  3. Step 3: Cross multiply
    1,130,979x = 1,560,754.26 × 647,551.56
  4. Step 4: Simplify right side
    1,130,979x = 1,010,668,855,839.65
  5. Step 5: Solve for x
    x = 1,010,668,855,839.65/1,130,979
  6. Step 6: Final answer
    x = 893,623.01

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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.