Home / 1,690,661.55-2,536,381.13-553,460.43

Finding the Fourth Proportional to 1,690,661.55, 2,536,381.13 and 553,460.43

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Solution

The fourth proportional to 1,690,661.55, 2,536,381.13 and 553,460.43 is: 830,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,661.55 : 2,536,381.13 = 553,460.43 : x
  2. Step 2: Convert to fraction form
    1,690,661.55/2,536,381.13 = 553,460.43/x
  3. Step 3: Cross multiply
    1,690,661.55x = 2,536,381.13 × 553,460.43
  4. Step 4: Simplify right side
    1,690,661.55x = 1,403,786,575,404.48
  5. Step 5: Solve for x
    x = 1,403,786,575,404.48/1,690,661.55
  6. Step 6: Final answer
    x = 830,317.92

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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.