Home / 1,510,492.38-2,084,678.55-906,919.26

Finding the Fourth Proportional to 1,510,492.38, 2,084,678.55 and 906,919.26

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Solution

The fourth proportional to 1,510,492.38, 2,084,678.55 and 906,919.26 is: 1,251,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,492.38 : 2,084,678.55 = 906,919.26 : x
  2. Step 2: Convert to fraction form
    1,510,492.38/2,084,678.55 = 906,919.26/x
  3. Step 3: Cross multiply
    1,510,492.38x = 2,084,678.55 × 906,919.26
  4. Step 4: Simplify right side
    1,510,492.38x = 1,890,635,127,903.87
  5. Step 5: Solve for x
    x = 1,890,635,127,903.87/1,510,492.38
  6. Step 6: Final answer
    x = 1,251,668.10

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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.