Home / 1,774,167.72-2,661,251.28-426,330.32

Finding the Fourth Proportional to 1,774,167.72, 2,661,251.28 and 426,330.32

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Solution

The fourth proportional to 1,774,167.72, 2,661,251.28 and 426,330.32 is: 639,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,167.72 : 2,661,251.28 = 426,330.32 : x
  2. Step 2: Convert to fraction form
    1,774,167.72/2,661,251.28 = 426,330.32/x
  3. Step 3: Cross multiply
    1,774,167.72x = 2,661,251.28 × 426,330.32
  4. Step 4: Simplify right side
    1,774,167.72x = 1,134,572,109,802.81
  5. Step 5: Solve for x
    x = 1,134,572,109,802.81/1,774,167.72
  6. Step 6: Final answer
    x = 639,495.41

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Double scale
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1.5x scale

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.