Home / 1,559,576.40-2,340,239.40-660,865.20

Finding the Fourth Proportional to 1,559,576.40, 2,340,239.40 and 660,865.20

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Solution

The fourth proportional to 1,559,576.40, 2,340,239.40 and 660,865.20 is: 991,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,576.40 : 2,340,239.40 = 660,865.20 : x
  2. Step 2: Convert to fraction form
    1,559,576.40/2,340,239.40 = 660,865.20/x
  3. Step 3: Cross multiply
    1,559,576.40x = 2,340,239.40 × 660,865.20
  4. Step 4: Simplify right side
    1,559,576.40x = 1,546,582,779,128.88
  5. Step 5: Solve for x
    x = 1,546,582,779,128.88/1,559,576.40
  6. Step 6: Final answer
    x = 991,668.49

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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.