Home / 1,146,902.78-1,582,727.66-637,605.16

Finding the Fourth Proportional to 1,146,902.78, 1,582,727.66 and 637,605.16

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Solution

The fourth proportional to 1,146,902.78, 1,582,727.66 and 637,605.16 is: 879,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,902.78 : 1,582,727.66 = 637,605.16 : x
  2. Step 2: Convert to fraction form
    1,146,902.78/1,582,727.66 = 637,605.16/x
  3. Step 3: Cross multiply
    1,146,902.78x = 1,582,727.66 × 637,605.16
  4. Step 4: Simplify right side
    1,146,902.78x = 1,009,155,322,890.73
  5. Step 5: Solve for x
    x = 1,009,155,322,890.73/1,146,902.78
  6. Step 6: Final answer
    x = 879,896.13

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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.