Home / 1,056,015.60-1,581,690.60-424,604.40

Finding the Fourth Proportional to 1,056,015.60, 1,581,690.60 and 424,604.40

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Solution

The fourth proportional to 1,056,015.60, 1,581,690.60 and 424,604.40 is: 635,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,015.60 : 1,581,690.60 = 424,604.40 : x
  2. Step 2: Convert to fraction form
    1,056,015.60/1,581,690.60 = 424,604.40/x
  3. Step 3: Cross multiply
    1,056,015.60x = 1,581,690.60 × 424,604.40
  4. Step 4: Simplify right side
    1,056,015.60x = 671,592,788,198.64
  5. Step 5: Solve for x
    x = 671,592,788,198.64/1,056,015.60
  6. Step 6: Final answer
    x = 635,968.62

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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.