Home / 1,690,319.34-2,535,442.05-410,933.55

Finding the Fourth Proportional to 1,690,319.34, 2,535,442.05 and 410,933.55

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Solution

The fourth proportional to 1,690,319.34, 2,535,442.05 and 410,933.55 is: 616,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,319.34 : 2,535,442.05 = 410,933.55 : x
  2. Step 2: Convert to fraction form
    1,690,319.34/2,535,442.05 = 410,933.55/x
  3. Step 3: Cross multiply
    1,690,319.34x = 2,535,442.05 × 410,933.55
  4. Step 4: Simplify right side
    1,690,319.34x = 1,041,898,213,474.69
  5. Step 5: Solve for x
    x = 1,041,898,213,474.69/1,690,319.34
  6. Step 6: Final answer
    x = 616,391.35

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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.