Home / 1,556,990.10-2,335,266.45-492,139.80

Finding the Fourth Proportional to 1,556,990.10, 2,335,266.45 and 492,139.80

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Solution

The fourth proportional to 1,556,990.10, 2,335,266.45 and 492,139.80 is: 738,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,990.10 : 2,335,266.45 = 492,139.80 : x
  2. Step 2: Convert to fraction form
    1,556,990.10/2,335,266.45 = 492,139.80/x
  3. Step 3: Cross multiply
    1,556,990.10x = 2,335,266.45 × 492,139.80
  4. Step 4: Simplify right side
    1,556,990.10x = 1,149,277,563,649.71
  5. Step 5: Solve for x
    x = 1,149,277,563,649.71/1,556,990.10
  6. Step 6: Final answer
    x = 738,140.57

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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.