Home / 1,038,688.30-1,557,092.04-407,432.62

Finding the Fourth Proportional to 1,038,688.30, 1,557,092.04 and 407,432.62

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Solution

The fourth proportional to 1,038,688.30, 1,557,092.04 and 407,432.62 is: 610,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,688.30 : 1,557,092.04 = 407,432.62 : x
  2. Step 2: Convert to fraction form
    1,038,688.30/1,557,092.04 = 407,432.62/x
  3. Step 3: Cross multiply
    1,038,688.30x = 1,557,092.04 × 407,432.62
  4. Step 4: Simplify right side
    1,038,688.30x = 634,410,089,438.35
  5. Step 5: Solve for x
    x = 634,410,089,438.35/1,038,688.30
  6. Step 6: Final answer
    x = 610,780.05

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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.