Home / 1,494,987.60-2,242,116.90-429,918.60

Finding the Fourth Proportional to 1,494,987.60, 2,242,116.90 and 429,918.60

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Solution

The fourth proportional to 1,494,987.60, 2,242,116.90 and 429,918.60 is: 644,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,987.60 : 2,242,116.90 = 429,918.60 : x
  2. Step 2: Convert to fraction form
    1,494,987.60/2,242,116.90 = 429,918.60/x
  3. Step 3: Cross multiply
    1,494,987.60x = 2,242,116.90 × 429,918.60
  4. Step 4: Simplify right side
    1,494,987.60x = 963,927,758,684.34
  5. Step 5: Solve for x
    x = 963,927,758,684.34/1,494,987.60
  6. Step 6: Final answer
    x = 644,773.08

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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.