Home / 1,006,376.72-1,388,797.80-553,666.64

Finding the Fourth Proportional to 1,006,376.72, 1,388,797.80 and 553,666.64

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Solution

The fourth proportional to 1,006,376.72, 1,388,797.80 and 553,666.64 is: 764,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,376.72 : 1,388,797.80 = 553,666.64 : x
  2. Step 2: Convert to fraction form
    1,006,376.72/1,388,797.80 = 553,666.64/x
  3. Step 3: Cross multiply
    1,006,376.72x = 1,388,797.80 × 553,666.64
  4. Step 4: Simplify right side
    1,006,376.72x = 768,931,011,565.39
  5. Step 5: Solve for x
    x = 768,931,011,565.39/1,006,376.72
  6. Step 6: Final answer
    x = 764,058.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.