Home / 1,774,172.65-2,661,258.70-426,335.26

Finding the Fourth Proportional to 1,774,172.65, 2,661,258.70 and 426,335.26

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Solution

The fourth proportional to 1,774,172.65, 2,661,258.70 and 426,335.26 is: 639,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,172.65 : 2,661,258.70 = 426,335.26 : x
  2. Step 2: Convert to fraction form
    1,774,172.65/2,661,258.70 = 426,335.26/x
  3. Step 3: Cross multiply
    1,774,172.65x = 2,661,258.70 × 426,335.26
  4. Step 4: Simplify right side
    1,774,172.65x = 1,134,588,420,005.65
  5. Step 5: Solve for x
    x = 1,134,588,420,005.65/1,774,172.65
  6. Step 6: Final answer
    x = 639,502.82

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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.