Home / 1,105,254.25-1,657,881.28-306,535.78

Finding the Fourth Proportional to 1,105,254.25, 1,657,881.28 and 306,535.78

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Solution

The fourth proportional to 1,105,254.25, 1,657,881.28 and 306,535.78 is: 459,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,254.25 : 1,657,881.28 = 306,535.78 : x
  2. Step 2: Convert to fraction form
    1,105,254.25/1,657,881.28 = 306,535.78/x
  3. Step 3: Cross multiply
    1,105,254.25x = 1,657,881.28 × 306,535.78
  4. Step 4: Simplify right side
    1,105,254.25x = 508,199,931,312.20
  5. Step 5: Solve for x
    x = 508,199,931,312.20/1,105,254.25
  6. Step 6: Final answer
    x = 459,803.64

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Double scale
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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.