Home / 1,200,278.98-1,656,332.04-684,144.82

Finding the Fourth Proportional to 1,200,278.98, 1,656,332.04 and 684,144.82

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Solution

The fourth proportional to 1,200,278.98, 1,656,332.04 and 684,144.82 is: 944,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,278.98 : 1,656,332.04 = 684,144.82 : x
  2. Step 2: Convert to fraction form
    1,200,278.98/1,656,332.04 = 684,144.82/x
  3. Step 3: Cross multiply
    1,200,278.98x = 1,656,332.04 × 684,144.82
  4. Step 4: Simplify right side
    1,200,278.98x = 1,133,170,985,366.03
  5. Step 5: Solve for x
    x = 1,133,170,985,366.03/1,200,278.98
  6. Step 6: Final answer
    x = 944,089.67

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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.