Home / 1,105,017.32-1,657,361.96-306,215.57

Finding the Fourth Proportional to 1,105,017.32, 1,657,361.96 and 306,215.57

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Solution

The fourth proportional to 1,105,017.32, 1,657,361.96 and 306,215.57 is: 459,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,017.32 : 1,657,361.96 = 306,215.57 : x
  2. Step 2: Convert to fraction form
    1,105,017.32/1,657,361.96 = 306,215.57/x
  3. Step 3: Cross multiply
    1,105,017.32x = 1,657,361.96 × 306,215.57
  4. Step 4: Simplify right side
    1,105,017.32x = 507,510,041,038.35
  5. Step 5: Solve for x
    x = 507,510,041,038.35/1,105,017.32
  6. Step 6: Final answer
    x = 459,277.91

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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.