Home / 1,452,515.78-2,004,331.07-840,547.01

Finding the Fourth Proportional to 1,452,515.78, 2,004,331.07 and 840,547.01

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Solution

The fourth proportional to 1,452,515.78, 2,004,331.07 and 840,547.01 is: 1,159,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,515.78 : 2,004,331.07 = 840,547.01 : x
  2. Step 2: Convert to fraction form
    1,452,515.78/2,004,331.07 = 840,547.01/x
  3. Step 3: Cross multiply
    1,452,515.78x = 2,004,331.07 × 840,547.01
  4. Step 4: Simplify right side
    1,452,515.78x = 1,684,734,473,714.21
  5. Step 5: Solve for x
    x = 1,684,734,473,714.21/1,452,515.78
  6. Step 6: Final answer
    x = 1,159,873.44

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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.