Home / 1,440,663.34-2,161,368.66-766,190.02

Finding the Fourth Proportional to 1,440,663.34, 2,161,368.66 and 766,190.02

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Solution

The fourth proportional to 1,440,663.34, 2,161,368.66 and 766,190.02 is: 1,149,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,663.34 : 2,161,368.66 = 766,190.02 : x
  2. Step 2: Convert to fraction form
    1,440,663.34/2,161,368.66 = 766,190.02/x
  3. Step 3: Cross multiply
    1,440,663.34x = 2,161,368.66 × 766,190.02
  4. Step 4: Simplify right side
    1,440,663.34x = 1,656,019,096,832.77
  5. Step 5: Solve for x
    x = 1,656,019,096,832.77/1,440,663.34
  6. Step 6: Final answer
    x = 1,149,483.75

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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.