Home / 1,257,374.08-1,886,062.88-310,730.40

Finding the Fourth Proportional to 1,257,374.08, 1,886,062.88 and 310,730.40

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Solution

The fourth proportional to 1,257,374.08, 1,886,062.88 and 310,730.40 is: 466,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,374.08 : 1,886,062.88 = 310,730.40 : x
  2. Step 2: Convert to fraction form
    1,257,374.08/1,886,062.88 = 310,730.40/x
  3. Step 3: Cross multiply
    1,257,374.08x = 1,886,062.88 × 310,730.40
  4. Step 4: Simplify right side
    1,257,374.08x = 586,057,073,127.55
  5. Step 5: Solve for x
    x = 586,057,073,127.55/1,257,374.08
  6. Step 6: Final answer
    x = 466,096.03

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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.