Home / 1,003,383.96-1,385,820.23-660,752.13

Finding the Fourth Proportional to 1,003,383.96, 1,385,820.23 and 660,752.13

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Solution

The fourth proportional to 1,003,383.96, 1,385,820.23 and 660,752.13 is: 912,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,383.96 : 1,385,820.23 = 660,752.13 : x
  2. Step 2: Convert to fraction form
    1,003,383.96/1,385,820.23 = 660,752.13/x
  3. Step 3: Cross multiply
    1,003,383.96x = 1,385,820.23 × 660,752.13
  4. Step 4: Simplify right side
    1,003,383.96x = 915,683,670,662.66
  5. Step 5: Solve for x
    x = 915,683,670,662.66/1,003,383.96
  6. Step 6: Final answer
    x = 912,595.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.