Home / 1,690,662.05-2,536,381.88-553,460.93

Finding the Fourth Proportional to 1,690,662.05, 2,536,381.88 and 553,460.93

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Solution

The fourth proportional to 1,690,662.05, 2,536,381.88 and 553,460.93 is: 830,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,662.05 : 2,536,381.88 = 553,460.93 : x
  2. Step 2: Convert to fraction form
    1,690,662.05/2,536,381.88 = 553,460.93/x
  3. Step 3: Cross multiply
    1,690,662.05x = 2,536,381.88 × 553,460.93
  4. Step 4: Simplify right side
    1,690,662.05x = 1,403,788,274,139.95
  5. Step 5: Solve for x
    x = 1,403,788,274,139.95/1,690,662.05
  6. Step 6: Final answer
    x = 830,318.68

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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.