Home / 1,200,280.98-1,656,334.80-684,146.82

Finding the Fourth Proportional to 1,200,280.98, 1,656,334.80 and 684,146.82

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Solution

The fourth proportional to 1,200,280.98, 1,656,334.80 and 684,146.82 is: 944,092.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,280.98 : 1,656,334.80 = 684,146.82 : x
  2. Step 2: Convert to fraction form
    1,200,280.98/1,656,334.80 = 684,146.82/x
  3. Step 3: Cross multiply
    1,200,280.98x = 1,656,334.80 × 684,146.82
  4. Step 4: Simplify right side
    1,200,280.98x = 1,133,176,186,275.34
  5. Step 5: Solve for x
    x = 1,133,176,186,275.34/1,200,280.98
  6. Step 6: Final answer
    x = 944,092.43

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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.