Home / 1,107,384.69-1,661,215.55-433,378.92

Finding the Fourth Proportional to 1,107,384.69, 1,661,215.55 and 433,378.92

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Solution

The fourth proportional to 1,107,384.69, 1,661,215.55 and 433,378.92 is: 650,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,384.69 : 1,661,215.55 = 433,378.92 : x
  2. Step 2: Convert to fraction form
    1,107,384.69/1,661,215.55 = 433,378.92/x
  3. Step 3: Cross multiply
    1,107,384.69x = 1,661,215.55 × 433,378.92
  4. Step 4: Simplify right side
    1,107,384.69x = 719,935,798,779.31
  5. Step 5: Solve for x
    x = 719,935,798,779.31/1,107,384.69
  6. Step 6: Final answer
    x = 650,122.59

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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.