Home / 1,147,483.12-1,583,517.92-631,225.88

Finding the Fourth Proportional to 1,147,483.12, 1,583,517.92 and 631,225.88

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Solution

The fourth proportional to 1,147,483.12, 1,583,517.92 and 631,225.88 is: 871,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,483.12 : 1,583,517.92 = 631,225.88 : x
  2. Step 2: Convert to fraction form
    1,147,483.12/1,583,517.92 = 631,225.88/x
  3. Step 3: Cross multiply
    1,147,483.12x = 1,583,517.92 × 631,225.88
  4. Step 4: Simplify right side
    1,147,483.12x = 999,557,492,547.77
  5. Step 5: Solve for x
    x = 999,557,492,547.77/1,147,483.12
  6. Step 6: Final answer
    x = 871,086.88

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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.