Home / 1,405,403.43-2,108,098.08-340,445.58

Finding the Fourth Proportional to 1,405,403.43, 2,108,098.08 and 340,445.58

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Solution

The fourth proportional to 1,405,403.43, 2,108,098.08 and 340,445.58 is: 510,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,403.43 : 2,108,098.08 = 340,445.58 : x
  2. Step 2: Convert to fraction form
    1,405,403.43/2,108,098.08 = 340,445.58/x
  3. Step 3: Cross multiply
    1,405,403.43x = 2,108,098.08 × 340,445.58
  4. Step 4: Simplify right side
    1,405,403.43x = 717,692,673,542.49
  5. Step 5: Solve for x
    x = 717,692,673,542.49/1,405,403.43
  6. Step 6: Final answer
    x = 510,666.66

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1.5x scale

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.