Home / 1,559,819.40-2,339,729.10-438,078.60

Finding the Fourth Proportional to 1,559,819.40, 2,339,729.10 and 438,078.60

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Solution

The fourth proportional to 1,559,819.40, 2,339,729.10 and 438,078.60 is: 657,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,819.40 : 2,339,729.10 = 438,078.60 : x
  2. Step 2: Convert to fraction form
    1,559,819.40/2,339,729.10 = 438,078.60/x
  3. Step 3: Cross multiply
    1,559,819.40x = 2,339,729.10 × 438,078.60
  4. Step 4: Simplify right side
    1,559,819.40x = 1,024,985,248,507.26
  5. Step 5: Solve for x
    x = 1,024,985,248,507.26/1,559,819.40
  6. Step 6: Final answer
    x = 657,117.90

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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.