Home / 1,095,482.18-1,641,866.78-620,728.22

Finding the Fourth Proportional to 1,095,482.18, 1,641,866.78 and 620,728.22

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Solution

The fourth proportional to 1,095,482.18, 1,641,866.78 and 620,728.22 is: 930,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,482.18 : 1,641,866.78 = 620,728.22 : x
  2. Step 2: Convert to fraction form
    1,095,482.18/1,641,866.78 = 620,728.22/x
  3. Step 3: Cross multiply
    1,095,482.18x = 1,641,866.78 × 620,728.22
  4. Step 4: Simplify right side
    1,095,482.18x = 1,019,153,043,826.53
  5. Step 5: Solve for x
    x = 1,019,153,043,826.53/1,095,482.18
  6. Step 6: Final answer
    x = 930,323.71

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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.