Home / 1,001,989.18-1,502,986.81-243,830.78

Finding the Fourth Proportional to 1,001,989.18, 1,502,986.81 and 243,830.78

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Solution

The fourth proportional to 1,001,989.18, 1,502,986.81 and 243,830.78 is: 365,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,989.18 : 1,502,986.81 = 243,830.78 : x
  2. Step 2: Convert to fraction form
    1,001,989.18/1,502,986.81 = 243,830.78/x
  3. Step 3: Cross multiply
    1,001,989.18x = 1,502,986.81 × 243,830.78
  4. Step 4: Simplify right side
    1,001,989.18x = 366,474,446,212.01
  5. Step 5: Solve for x
    x = 366,474,446,212.01/1,001,989.18
  6. Step 6: Final answer
    x = 365,746.91

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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.