Home / 1,389,495.33-2,083,868.02-490,818.76

Finding the Fourth Proportional to 1,389,495.33, 2,083,868.02 and 490,818.76

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Solution

The fourth proportional to 1,389,495.33, 2,083,868.02 and 490,818.76 is: 736,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,495.33 : 2,083,868.02 = 490,818.76 : x
  2. Step 2: Convert to fraction form
    1,389,495.33/2,083,868.02 = 490,818.76/x
  3. Step 3: Cross multiply
    1,389,495.33x = 2,083,868.02 × 490,818.76
  4. Step 4: Simplify right side
    1,389,495.33x = 1,022,801,520,798.41
  5. Step 5: Solve for x
    x = 1,022,801,520,798.41/1,389,495.33
  6. Step 6: Final answer
    x = 736,095.69

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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.