Home / 1,547,084.62-2,320,623.74-872,859.86

Finding the Fourth Proportional to 1,547,084.62, 2,320,623.74 and 872,859.86

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Solution

The fourth proportional to 1,547,084.62, 2,320,623.74 and 872,859.86 is: 1,309,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,084.62 : 2,320,623.74 = 872,859.86 : x
  2. Step 2: Convert to fraction form
    1,547,084.62/2,320,623.74 = 872,859.86/x
  3. Step 3: Cross multiply
    1,547,084.62x = 2,320,623.74 × 872,859.86
  4. Step 4: Simplify right side
    1,547,084.62x = 2,025,579,312,090.45
  5. Step 5: Solve for x
    x = 2,025,579,312,090.45/1,547,084.62
  6. Step 6: Final answer
    x = 1,309,287.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.