Home / 1,485,283.80-2,049,542-840,591.76

Finding the Fourth Proportional to 1,485,283.80, 2,049,542 and 840,591.76

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Solution

The fourth proportional to 1,485,283.80, 2,049,542 and 840,591.76 is: 1,159,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,283.80 : 2,049,542 = 840,591.76 : x
  2. Step 2: Convert to fraction form
    1,485,283.80/2,049,542 = 840,591.76/x
  3. Step 3: Cross multiply
    1,485,283.80x = 2,049,542 × 840,591.76
  4. Step 4: Simplify right side
    1,485,283.80x = 1,722,828,116,973.92
  5. Step 5: Solve for x
    x = 1,722,828,116,973.92/1,485,283.80
  6. Step 6: Final answer
    x = 1,159,931.94

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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.