Home / 1,097,064.60-1,513,339.86-638,127.51

Finding the Fourth Proportional to 1,097,064.60, 1,513,339.86 and 638,127.51

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Solution

The fourth proportional to 1,097,064.60, 1,513,339.86 and 638,127.51 is: 880,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,064.60 : 1,513,339.86 = 638,127.51 : x
  2. Step 2: Convert to fraction form
    1,097,064.60/1,513,339.86 = 638,127.51/x
  3. Step 3: Cross multiply
    1,097,064.60x = 1,513,339.86 × 638,127.51
  4. Step 4: Simplify right side
    1,097,064.60x = 965,703,796,645.55
  5. Step 5: Solve for x
    x = 965,703,796,645.55/1,097,064.60
  6. Step 6: Final answer
    x = 880,261.56

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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.