Home / 1,260,005.60-1,890,008.40-551,417.60

Finding the Fourth Proportional to 1,260,005.60, 1,890,008.40 and 551,417.60

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Solution

The fourth proportional to 1,260,005.60, 1,890,008.40 and 551,417.60 is: 827,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,005.60 : 1,890,008.40 = 551,417.60 : x
  2. Step 2: Convert to fraction form
    1,260,005.60/1,890,008.40 = 551,417.60/x
  3. Step 3: Cross multiply
    1,260,005.60x = 1,890,008.40 × 551,417.60
  4. Step 4: Simplify right side
    1,260,005.60x = 1,042,183,895,907.84
  5. Step 5: Solve for x
    x = 1,042,183,895,907.84/1,260,005.60
  6. Step 6: Final answer
    x = 827,126.40

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Similar ratio
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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.