Home / 1,091,549.32-1,637,639.91-451,734.95

Finding the Fourth Proportional to 1,091,549.32, 1,637,639.91 and 451,734.95

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Solution

The fourth proportional to 1,091,549.32, 1,637,639.91 and 451,734.95 is: 677,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,549.32 : 1,637,639.91 = 451,734.95 : x
  2. Step 2: Convert to fraction form
    1,091,549.32/1,637,639.91 = 451,734.95/x
  3. Step 3: Cross multiply
    1,091,549.32x = 1,637,639.91 × 451,734.95
  4. Step 4: Simplify right side
    1,091,549.32x = 739,779,186,955.95
  5. Step 5: Solve for x
    x = 739,779,186,955.95/1,091,549.32
  6. Step 6: Final answer
    x = 677,733.18

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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.