Home / 1,257,376.08-1,886,065.88-310,732.40

Finding the Fourth Proportional to 1,257,376.08, 1,886,065.88 and 310,732.40

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Solution

The fourth proportional to 1,257,376.08, 1,886,065.88 and 310,732.40 is: 466,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,376.08 : 1,886,065.88 = 310,732.40 : x
  2. Step 2: Convert to fraction form
    1,257,376.08/1,886,065.88 = 310,732.40/x
  3. Step 3: Cross multiply
    1,257,376.08x = 1,886,065.88 × 310,732.40
  4. Step 4: Simplify right side
    1,257,376.08x = 586,061,777,450.51
  5. Step 5: Solve for x
    x = 586,061,777,450.51/1,257,376.08
  6. Step 6: Final answer
    x = 466,099.03

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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.