Home / 1,653,254.72-2,280,904.56-1,080,625.28

Finding the Fourth Proportional to 1,653,254.72, 2,280,904.56 and 1,080,625.28

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Solution

The fourth proportional to 1,653,254.72, 2,280,904.56 and 1,080,625.28 is: 1,490,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,254.72 : 2,280,904.56 = 1,080,625.28 : x
  2. Step 2: Convert to fraction form
    1,653,254.72/2,280,904.56 = 1,080,625.28/x
  3. Step 3: Cross multiply
    1,653,254.72x = 2,280,904.56 × 1,080,625.28
  4. Step 4: Simplify right side
    1,653,254.72x = 2,464,803,128,803.28
  5. Step 5: Solve for x
    x = 2,464,803,128,803.28/1,653,254.72
  6. Step 6: Final answer
    x = 1,490,879.23

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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.