Home / 1,257,335.06-1,886,019.90-358,776.51

Finding the Fourth Proportional to 1,257,335.06, 1,886,019.90 and 358,776.51

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Solution

The fourth proportional to 1,257,335.06, 1,886,019.90 and 358,776.51 is: 538,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,335.06 : 1,886,019.90 = 358,776.51 : x
  2. Step 2: Convert to fraction form
    1,257,335.06/1,886,019.90 = 358,776.51/x
  3. Step 3: Cross multiply
    1,257,335.06x = 1,886,019.90 × 358,776.51
  4. Step 4: Simplify right side
    1,257,335.06x = 676,659,637,512.55
  5. Step 5: Solve for x
    x = 676,659,637,512.55/1,257,335.06
  6. Step 6: Final answer
    x = 538,169.70

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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.