Home / 1,020,061.02-1,530,092.55-380,355

Finding the Fourth Proportional to 1,020,061.02, 1,530,092.55 and 380,355

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Solution

The fourth proportional to 1,020,061.02, 1,530,092.55 and 380,355 is: 570,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,061.02 : 1,530,092.55 = 380,355 : x
  2. Step 2: Convert to fraction form
    1,020,061.02/1,530,092.55 = 380,355/x
  3. Step 3: Cross multiply
    1,020,061.02x = 1,530,092.55 × 380,355
  4. Step 4: Simplify right side
    1,020,061.02x = 581,978,351,855.25
  5. Step 5: Solve for x
    x = 581,978,351,855.25/1,020,061.02
  6. Step 6: Final answer
    x = 570,532.88

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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.