Home / 1,147,055.88-1,582,977.76-630,849.68

Finding the Fourth Proportional to 1,147,055.88, 1,582,977.76 and 630,849.68

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Solution

The fourth proportional to 1,147,055.88, 1,582,977.76 and 630,849.68 is: 870,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,055.88 : 1,582,977.76 = 630,849.68 : x
  2. Step 2: Convert to fraction form
    1,147,055.88/1,582,977.76 = 630,849.68/x
  3. Step 3: Cross multiply
    1,147,055.88x = 1,582,977.76 × 630,849.68
  4. Step 4: Simplify right side
    1,147,055.88x = 998,621,013,343.12
  5. Step 5: Solve for x
    x = 998,621,013,343.12/1,147,055.88
  6. Step 6: Final answer
    x = 870,594.91

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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.