Home / 1,520,992.72-2,098,970.00-841,929.22

Finding the Fourth Proportional to 1,520,992.72, 2,098,970.00 and 841,929.22

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Solution

The fourth proportional to 1,520,992.72, 2,098,970.00 and 841,929.22 is: 1,161,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,992.72 : 2,098,970.00 = 841,929.22 : x
  2. Step 2: Convert to fraction form
    1,520,992.72/2,098,970.00 = 841,929.22/x
  3. Step 3: Cross multiply
    1,520,992.72x = 2,098,970.00 × 841,929.22
  4. Step 4: Simplify right side
    1,520,992.72x = 1,767,184,170,693.75
  5. Step 5: Solve for x
    x = 1,767,184,170,693.75/1,520,992.72
  6. Step 6: Final answer
    x = 1,161,862.35

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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.