Home / 1,300,612.01-1,950,881.36-353,990.93

Finding the Fourth Proportional to 1,300,612.01, 1,950,881.36 and 353,990.93

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Solution

The fourth proportional to 1,300,612.01, 1,950,881.36 and 353,990.93 is: 530,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,612.01 : 1,950,881.36 = 353,990.93 : x
  2. Step 2: Convert to fraction form
    1,300,612.01/1,950,881.36 = 353,990.93/x
  3. Step 3: Cross multiply
    1,300,612.01x = 1,950,881.36 × 353,990.93
  4. Step 4: Simplify right side
    1,300,612.01x = 690,594,295,421.70
  5. Step 5: Solve for x
    x = 690,594,295,421.70/1,300,612.01
  6. Step 6: Final answer
    x = 530,976.41

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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.