Home / 1,478,356.60-2,040,130.38-799,291.48

Finding the Fourth Proportional to 1,478,356.60, 2,040,130.38 and 799,291.48

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Solution

The fourth proportional to 1,478,356.60, 2,040,130.38 and 799,291.48 is: 1,103,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,356.60 : 2,040,130.38 = 799,291.48 : x
  2. Step 2: Convert to fraction form
    1,478,356.60/2,040,130.38 = 799,291.48/x
  3. Step 3: Cross multiply
    1,478,356.60x = 2,040,130.38 × 799,291.48
  4. Step 4: Simplify right side
    1,478,356.60x = 1,630,658,830,823.16
  5. Step 5: Solve for x
    x = 1,630,658,830,823.16/1,478,356.60
  6. Step 6: Final answer
    x = 1,103,021.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.