Home / 1,241,155.13-1,861,839.57-342,597.02

Finding the Fourth Proportional to 1,241,155.13, 1,861,839.57 and 342,597.02

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Solution

The fourth proportional to 1,241,155.13, 1,861,839.57 and 342,597.02 is: 513,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,155.13 : 1,861,839.57 = 342,597.02 : x
  2. Step 2: Convert to fraction form
    1,241,155.13/1,861,839.57 = 342,597.02/x
  3. Step 3: Cross multiply
    1,241,155.13x = 1,861,839.57 × 342,597.02
  4. Step 4: Simplify right side
    1,241,155.13x = 637,860,688,400.08
  5. Step 5: Solve for x
    x = 637,860,688,400.08/1,241,155.13
  6. Step 6: Final answer
    x = 513,925.03

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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.