Home / 1,147,474.83-1,583,506.51-631,217.61

Finding the Fourth Proportional to 1,147,474.83, 1,583,506.51 and 631,217.61

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Solution

The fourth proportional to 1,147,474.83, 1,583,506.51 and 631,217.61 is: 871,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,474.83 : 1,583,506.51 = 631,217.61 : x
  2. Step 2: Convert to fraction form
    1,147,474.83/1,583,506.51 = 631,217.61/x
  3. Step 3: Cross multiply
    1,147,474.83x = 1,583,506.51 × 631,217.61
  4. Step 4: Simplify right side
    1,147,474.83x = 999,537,194,661.64
  5. Step 5: Solve for x
    x = 999,537,194,661.64/1,147,474.83
  6. Step 6: Final answer
    x = 871,075.49

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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.