Home / 1,621,064.63-2,431,646.15-556,091.31

Finding the Fourth Proportional to 1,621,064.63, 2,431,646.15 and 556,091.31

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Solution

The fourth proportional to 1,621,064.63, 2,431,646.15 and 556,091.31 is: 834,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,064.63 : 2,431,646.15 = 556,091.31 : x
  2. Step 2: Convert to fraction form
    1,621,064.63/2,431,646.15 = 556,091.31/x
  3. Step 3: Cross multiply
    1,621,064.63x = 2,431,646.15 × 556,091.31
  4. Step 4: Simplify right side
    1,621,064.63x = 1,352,217,293,009.96
  5. Step 5: Solve for x
    x = 1,352,217,293,009.96/1,621,064.63
  6. Step 6: Final answer
    x = 834,153.84

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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.