Home / 1,105,017.20-1,657,361.76-306,215.45

Finding the Fourth Proportional to 1,105,017.20, 1,657,361.76 and 306,215.45

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Solution

The fourth proportional to 1,105,017.20, 1,657,361.76 and 306,215.45 is: 459,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,017.20 : 1,657,361.76 = 306,215.45 : x
  2. Step 2: Convert to fraction form
    1,105,017.20/1,657,361.76 = 306,215.45/x
  3. Step 3: Cross multiply
    1,105,017.20x = 1,657,361.76 × 306,215.45
  4. Step 4: Simplify right side
    1,105,017.20x = 507,509,777,151.19
  5. Step 5: Solve for x
    x = 507,509,777,151.19/1,105,017.20
  6. Step 6: Final answer
    x = 459,277.72

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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.