Home / 1,099,048.75-1,516,678.35-615,618.47

Finding the Fourth Proportional to 1,099,048.75, 1,516,678.35 and 615,618.47

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Solution

The fourth proportional to 1,099,048.75, 1,516,678.35 and 615,618.47 is: 849,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,048.75 : 1,516,678.35 = 615,618.47 : x
  2. Step 2: Convert to fraction form
    1,099,048.75/1,516,678.35 = 615,618.47/x
  3. Step 3: Cross multiply
    1,099,048.75x = 1,516,678.35 × 615,618.47
  4. Step 4: Simplify right side
    1,099,048.75x = 933,695,205,309.13
  5. Step 5: Solve for x
    x = 933,695,205,309.13/1,099,048.75
  6. Step 6: Final answer
    x = 849,548.49

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Double scale
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1.5x scale

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.