Home / 1,147,424.63-1,583,397.14-631,145.77

Finding the Fourth Proportional to 1,147,424.63, 1,583,397.14 and 631,145.77

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Solution

The fourth proportional to 1,147,424.63, 1,583,397.14 and 631,145.77 is: 870,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,424.63 : 1,583,397.14 = 631,145.77 : x
  2. Step 2: Convert to fraction form
    1,147,424.63/1,583,397.14 = 631,145.77/x
  3. Step 3: Cross multiply
    1,147,424.63x = 1,583,397.14 × 631,145.77
  4. Step 4: Simplify right side
    1,147,424.63x = 999,354,404,760.47
  5. Step 5: Solve for x
    x = 999,354,404,760.47/1,147,424.63
  6. Step 6: Final answer
    x = 870,954.29

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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.