Home / 1,812,355-2,501,052.78-1,007,539

Finding the Fourth Proportional to 1,812,355, 2,501,052.78 and 1,007,539

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Solution

The fourth proportional to 1,812,355, 2,501,052.78 and 1,007,539 is: 1,390,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,355 : 2,501,052.78 = 1,007,539 : x
  2. Step 2: Convert to fraction form
    1,812,355/2,501,052.78 = 1,007,539/x
  3. Step 3: Cross multiply
    1,812,355x = 2,501,052.78 × 1,007,539
  4. Step 4: Simplify right side
    1,812,355x = 2,519,908,216,908.42
  5. Step 5: Solve for x
    x = 2,519,908,216,908.42/1,812,355
  6. Step 6: Final answer
    x = 1,390,405.42

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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.