Home / 1,986,927-2,980,834.74-724,754.58

Finding the Fourth Proportional to 1,986,927, 2,980,834.74 and 724,754.58

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Solution

The fourth proportional to 1,986,927, 2,980,834.74 and 724,754.58 is: 1,087,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,927 : 2,980,834.74 = 724,754.58 : x
  2. Step 2: Convert to fraction form
    1,986,927/2,980,834.74 = 724,754.58/x
  3. Step 3: Cross multiply
    1,986,927x = 2,980,834.74 × 724,754.58
  4. Step 4: Simplify right side
    1,986,927x = 2,160,373,630,038.11
  5. Step 5: Solve for x
    x = 2,160,373,630,038.11/1,986,927
  6. Step 6: Final answer
    x = 1,087,293.91

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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.