Home / 1,147,578.68-1,583,636.52-631,302.40

Finding the Fourth Proportional to 1,147,578.68, 1,583,636.52 and 631,302.40

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Solution

The fourth proportional to 1,147,578.68, 1,583,636.52 and 631,302.40 is: 871,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,578.68 : 1,583,636.52 = 631,302.40 : x
  2. Step 2: Convert to fraction form
    1,147,578.68/1,583,636.52 = 631,302.40/x
  3. Step 3: Cross multiply
    1,147,578.68x = 1,583,636.52 × 631,302.40
  4. Step 4: Simplify right side
    1,147,578.68x = 999,753,535,803.65
  5. Step 5: Solve for x
    x = 999,753,535,803.65/1,147,578.68
  6. Step 6: Final answer
    x = 871,185.18

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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.