Home / 1,257,347.76-1,886,003.16-310,718.49

Finding the Fourth Proportional to 1,257,347.76, 1,886,003.16 and 310,718.49

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Solution

The fourth proportional to 1,257,347.76, 1,886,003.16 and 310,718.49 is: 466,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,347.76 : 1,886,003.16 = 310,718.49 : x
  2. Step 2: Convert to fraction form
    1,257,347.76/1,886,003.16 = 310,718.49/x
  3. Step 3: Cross multiply
    1,257,347.76x = 1,886,003.16 × 310,718.49
  4. Step 4: Simplify right side
    1,257,347.76x = 586,016,054,010.43
  5. Step 5: Solve for x
    x = 586,016,054,010.43/1,257,347.76
  6. Step 6: Final answer
    x = 466,073.17

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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.