Home / 1,571,737.50-2,168,997.75-856,345.50

Finding the Fourth Proportional to 1,571,737.50, 2,168,997.75 and 856,345.50

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Solution

The fourth proportional to 1,571,737.50, 2,168,997.75 and 856,345.50 is: 1,181,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,737.50 : 2,168,997.75 = 856,345.50 : x
  2. Step 2: Convert to fraction form
    1,571,737.50/2,168,997.75 = 856,345.50/x
  3. Step 3: Cross multiply
    1,571,737.50x = 2,168,997.75 × 856,345.50
  4. Step 4: Simplify right side
    1,571,737.50x = 1,857,411,462,722.63
  5. Step 5: Solve for x
    x = 1,857,411,462,722.63/1,571,737.50
  6. Step 6: Final answer
    x = 1,181,756.79

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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.