Home / 1,755,129.90-2,629,742.40-1,501,219.20

Finding the Fourth Proportional to 1,755,129.90, 2,629,742.40 and 1,501,219.20

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Solution

The fourth proportional to 1,755,129.90, 2,629,742.40 and 1,501,219.20 is: 2,249,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,129.90 : 2,629,742.40 = 1,501,219.20 : x
  2. Step 2: Convert to fraction form
    1,755,129.90/2,629,742.40 = 1,501,219.20/x
  3. Step 3: Cross multiply
    1,755,129.90x = 2,629,742.40 × 1,501,219.20
  4. Step 4: Simplify right side
    1,755,129.90x = 3,947,819,781,934.08
  5. Step 5: Solve for x
    x = 3,947,819,781,934.08/1,755,129.90
  6. Step 6: Final answer
    x = 2,249,303.47

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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.