Home / 1,013,021.10-1,518,970.59-414,402.48

Finding the Fourth Proportional to 1,013,021.10, 1,518,970.59 and 414,402.48

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Solution

The fourth proportional to 1,013,021.10, 1,518,970.59 and 414,402.48 is: 621,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,021.10 : 1,518,970.59 = 414,402.48 : x
  2. Step 2: Convert to fraction form
    1,013,021.10/1,518,970.59 = 414,402.48/x
  3. Step 3: Cross multiply
    1,013,021.10x = 1,518,970.59 × 414,402.48
  4. Step 4: Simplify right side
    1,013,021.10x = 629,465,179,543.06
  5. Step 5: Solve for x
    x = 629,465,179,543.06/1,013,021.10
  6. Step 6: Final answer
    x = 621,374.20

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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.