Home / 1,140,841.46-1,574,379.79-624,586.65

Finding the Fourth Proportional to 1,140,841.46, 1,574,379.79 and 624,586.65

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Solution

The fourth proportional to 1,140,841.46, 1,574,379.79 and 624,586.65 is: 861,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,841.46 : 1,574,379.79 = 624,586.65 : x
  2. Step 2: Convert to fraction form
    1,140,841.46/1,574,379.79 = 624,586.65/x
  3. Step 3: Cross multiply
    1,140,841.46x = 1,574,379.79 × 624,586.65
  4. Step 4: Simplify right side
    1,140,841.46x = 983,336,591,398.41
  5. Step 5: Solve for x
    x = 983,336,591,398.41/1,140,841.46
  6. Step 6: Final answer
    x = 861,939.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.