Home / 1,038,129.20-1,557,582.60-407,495.60

Finding the Fourth Proportional to 1,038,129.20, 1,557,582.60 and 407,495.60

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Solution

The fourth proportional to 1,038,129.20, 1,557,582.60 and 407,495.60 is: 611,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,129.20 : 1,557,582.60 = 407,495.60 : x
  2. Step 2: Convert to fraction form
    1,038,129.20/1,557,582.60 = 407,495.60/x
  3. Step 3: Cross multiply
    1,038,129.20x = 1,557,582.60 × 407,495.60
  4. Step 4: Simplify right side
    1,038,129.20x = 634,708,056,136.56
  5. Step 5: Solve for x
    x = 634,708,056,136.56/1,038,129.20
  6. Step 6: Final answer
    x = 611,396.02

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1.5x scale

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.