Home / 1,531,327.65-2,297,510.95-678,284.65

Finding the Fourth Proportional to 1,531,327.65, 2,297,510.95 and 678,284.65

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Solution

The fourth proportional to 1,531,327.65, 2,297,510.95 and 678,284.65 is: 1,017,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,327.65 : 2,297,510.95 = 678,284.65 : x
  2. Step 2: Convert to fraction form
    1,531,327.65/2,297,510.95 = 678,284.65/x
  3. Step 3: Cross multiply
    1,531,327.65x = 2,297,510.95 × 678,284.65
  4. Step 4: Simplify right side
    1,531,327.65x = 1,558,366,410,591.92
  5. Step 5: Solve for x
    x = 1,558,366,410,591.92/1,531,327.65
  6. Step 6: Final answer
    x = 1,017,657.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.