Home / 1,427,117.22-1,970,454.96-918,705.24

Finding the Fourth Proportional to 1,427,117.22, 1,970,454.96 and 918,705.24

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Solution

The fourth proportional to 1,427,117.22, 1,970,454.96 and 918,705.24 is: 1,268,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,117.22 : 1,970,454.96 = 918,705.24 : x
  2. Step 2: Convert to fraction form
    1,427,117.22/1,970,454.96 = 918,705.24/x
  3. Step 3: Cross multiply
    1,427,117.22x = 1,970,454.96 × 918,705.24
  4. Step 4: Simplify right side
    1,427,117.22x = 1,810,267,296,935.99
  5. Step 5: Solve for x
    x = 1,810,267,296,935.99/1,427,117.22
  6. Step 6: Final answer
    x = 1,268,478.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.