Home / 1,631,487.51-2,447,292.77-620,421.01

Finding the Fourth Proportional to 1,631,487.51, 2,447,292.77 and 620,421.01

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Solution

The fourth proportional to 1,631,487.51, 2,447,292.77 and 620,421.01 is: 930,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,487.51 : 2,447,292.77 = 620,421.01 : x
  2. Step 2: Convert to fraction form
    1,631,487.51/2,447,292.77 = 620,421.01/x
  3. Step 3: Cross multiply
    1,631,487.51x = 2,447,292.77 × 620,421.01
  4. Step 4: Simplify right side
    1,631,487.51x = 1,518,351,852,129.10
  5. Step 5: Solve for x
    x = 1,518,351,852,129.10/1,631,487.51
  6. Step 6: Final answer
    x = 930,654.90

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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.