Home / 992,427.12-1,369,861.32-562,992.72

Finding the Fourth Proportional to 992,427.12, 1,369,861.32 and 562,992.72

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Solution

The fourth proportional to 992,427.12, 1,369,861.32 and 562,992.72 is: 777,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,427.12 : 1,369,861.32 = 562,992.72 : x
  2. Step 2: Convert to fraction form
    992,427.12/1,369,861.32 = 562,992.72/x
  3. Step 3: Cross multiply
    992,427.12x = 1,369,861.32 × 562,992.72
  4. Step 4: Simplify right side
    992,427.12x = 771,221,950,569.59
  5. Step 5: Solve for x
    x = 771,221,950,569.59/992,427.12
  6. Step 6: Final answer
    x = 777,106.89

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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.