Home / 999,707.60-1,499,623.70-400,590.92

Finding the Fourth Proportional to 999,707.60, 1,499,623.70 and 400,590.92

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Solution

The fourth proportional to 999,707.60, 1,499,623.70 and 400,590.92 is: 600,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,707.60 : 1,499,623.70 = 400,590.92 : x
  2. Step 2: Convert to fraction form
    999,707.60/1,499,623.70 = 400,590.92/x
  3. Step 3: Cross multiply
    999,707.60x = 1,499,623.70 × 400,590.92
  4. Step 4: Simplify right side
    999,707.60x = 600,735,637,636.80
  5. Step 5: Solve for x
    x = 600,735,637,636.80/999,707.60
  6. Step 6: Final answer
    x = 600,911.34

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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.