Home / 1,445,070.92-1,992,307.39-1,243,289.32

Finding the Fourth Proportional to 1,445,070.92, 1,992,307.39 and 1,243,289.32

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Solution

The fourth proportional to 1,445,070.92, 1,992,307.39 and 1,243,289.32 is: 1,714,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,070.92 : 1,992,307.39 = 1,243,289.32 : x
  2. Step 2: Convert to fraction form
    1,445,070.92/1,992,307.39 = 1,243,289.32/x
  3. Step 3: Cross multiply
    1,445,070.92x = 1,992,307.39 × 1,243,289.32
  4. Step 4: Simplify right side
    1,445,070.92x = 2,477,014,492,055.08
  5. Step 5: Solve for x
    x = 2,477,014,492,055.08/1,445,070.92
  6. Step 6: Final answer
    x = 1,714,112.76

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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.