Home / 1,445,502.09-2,171,381.37-939,802.89

Finding the Fourth Proportional to 1,445,502.09, 2,171,381.37 and 939,802.89

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Solution

The fourth proportional to 1,445,502.09, 2,171,381.37 and 939,802.89 is: 1,411,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,502.09 : 2,171,381.37 = 939,802.89 : x
  2. Step 2: Convert to fraction form
    1,445,502.09/2,171,381.37 = 939,802.89/x
  3. Step 3: Cross multiply
    1,445,502.09x = 2,171,381.37 × 939,802.89
  4. Step 4: Simplify right side
    1,445,502.09x = 2,040,670,486,818.16
  5. Step 5: Solve for x
    x = 2,040,670,486,818.16/1,445,502.09
  6. Step 6: Final answer
    x = 1,411,738.18

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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.