Home / 1,264,871.17-1,897,190.10-423,430.21

Finding the Fourth Proportional to 1,264,871.17, 1,897,190.10 and 423,430.21

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Solution

The fourth proportional to 1,264,871.17, 1,897,190.10 and 423,430.21 is: 635,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,871.17 : 1,897,190.10 = 423,430.21 : x
  2. Step 2: Convert to fraction form
    1,264,871.17/1,897,190.10 = 423,430.21/x
  3. Step 3: Cross multiply
    1,264,871.17x = 1,897,190.10 × 423,430.21
  4. Step 4: Simplify right side
    1,264,871.17x = 803,327,602,452.92
  5. Step 5: Solve for x
    x = 803,327,602,452.92/1,264,871.17
  6. Step 6: Final answer
    x = 635,106.26

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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.