Home / 1,152,515.86-1,728,472.62-342,682.21

Finding the Fourth Proportional to 1,152,515.86, 1,728,472.62 and 342,682.21

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Solution

The fourth proportional to 1,152,515.86, 1,728,472.62 and 342,682.21 is: 513,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,515.86 : 1,728,472.62 = 342,682.21 : x
  2. Step 2: Convert to fraction form
    1,152,515.86/1,728,472.62 = 342,682.21/x
  3. Step 3: Cross multiply
    1,152,515.86x = 1,728,472.62 × 342,682.21
  4. Step 4: Simplify right side
    1,152,515.86x = 592,316,818,221.62
  5. Step 5: Solve for x
    x = 592,316,818,221.62/1,152,515.86
  6. Step 6: Final answer
    x = 513,933.77

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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.