Home / 1,494,987.60-2,242,403.04-429,987.87

Finding the Fourth Proportional to 1,494,987.60, 2,242,403.04 and 429,987.87

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Solution

The fourth proportional to 1,494,987.60, 2,242,403.04 and 429,987.87 is: 644,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,987.60 : 2,242,403.04 = 429,987.87 : x
  2. Step 2: Convert to fraction form
    1,494,987.60/2,242,403.04 = 429,987.87/x
  3. Step 3: Cross multiply
    1,494,987.60x = 2,242,403.04 × 429,987.87
  4. Step 4: Simplify right side
    1,494,987.60x = 964,206,106,851.13
  5. Step 5: Solve for x
    x = 964,206,106,851.13/1,494,987.60
  6. Step 6: Final answer
    x = 644,959.27

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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.