Home / 1,781,252.64-2,671,619.76-518,741.28

Finding the Fourth Proportional to 1,781,252.64, 2,671,619.76 and 518,741.28

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Solution

The fourth proportional to 1,781,252.64, 2,671,619.76 and 518,741.28 is: 778,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,252.64 : 2,671,619.76 = 518,741.28 : x
  2. Step 2: Convert to fraction form
    1,781,252.64/2,671,619.76 = 518,741.28/x
  3. Step 3: Cross multiply
    1,781,252.64x = 2,671,619.76 × 518,741.28
  4. Step 4: Simplify right side
    1,781,252.64x = 1,385,879,453,975.69
  5. Step 5: Solve for x
    x = 1,385,879,453,975.69/1,781,252.64
  6. Step 6: Final answer
    x = 778,036.44

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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.