Home / 1,001,157.87-1,381,216.50-740,139.93

Finding the Fourth Proportional to 1,001,157.87, 1,381,216.50 and 740,139.93

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Solution

The fourth proportional to 1,001,157.87, 1,381,216.50 and 740,139.93 is: 1,021,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,157.87 : 1,381,216.50 = 740,139.93 : x
  2. Step 2: Convert to fraction form
    1,001,157.87/1,381,216.50 = 740,139.93/x
  3. Step 3: Cross multiply
    1,001,157.87x = 1,381,216.50 × 740,139.93
  4. Step 4: Simplify right side
    1,001,157.87x = 1,022,293,483,624.85
  5. Step 5: Solve for x
    x = 1,022,293,483,624.85/1,001,157.87
  6. Step 6: Final answer
    x = 1,021,111.17

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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.