Home / 1,147,071.74-1,582,977.33-630,848.21

Finding the Fourth Proportional to 1,147,071.74, 1,582,977.33 and 630,848.21

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Solution

The fourth proportional to 1,147,071.74, 1,582,977.33 and 630,848.21 is: 870,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,071.74 : 1,582,977.33 = 630,848.21 : x
  2. Step 2: Convert to fraction form
    1,147,071.74/1,582,977.33 = 630,848.21/x
  3. Step 3: Cross multiply
    1,147,071.74x = 1,582,977.33 × 630,848.21
  4. Step 4: Simplify right side
    1,147,071.74x = 998,618,407,186.19
  5. Step 5: Solve for x
    x = 998,618,407,186.19/1,147,071.74
  6. Step 6: Final answer
    x = 870,580.61

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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.