Home / 1,600,907.40-2,400,540.30-478,830.60

Finding the Fourth Proportional to 1,600,907.40, 2,400,540.30 and 478,830.60

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Solution

The fourth proportional to 1,600,907.40, 2,400,540.30 and 478,830.60 is: 718,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,907.40 : 2,400,540.30 = 478,830.60 : x
  2. Step 2: Convert to fraction form
    1,600,907.40/2,400,540.30 = 478,830.60/x
  3. Step 3: Cross multiply
    1,600,907.40x = 2,400,540.30 × 478,830.60
  4. Step 4: Simplify right side
    1,600,907.40x = 1,149,452,152,173.18
  5. Step 5: Solve for x
    x = 1,149,452,152,173.18/1,600,907.40
  6. Step 6: Final answer
    x = 718,000.40

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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.