Home / 1,007,742.37-1,390,684.48-555,033.37

Finding the Fourth Proportional to 1,007,742.37, 1,390,684.48 and 555,033.37

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Solution

The fourth proportional to 1,007,742.37, 1,390,684.48 and 555,033.37 is: 765,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,742.37 : 1,390,684.48 = 555,033.37 : x
  2. Step 2: Convert to fraction form
    1,007,742.37/1,390,684.48 = 555,033.37/x
  3. Step 3: Cross multiply
    1,007,742.37x = 1,390,684.48 × 555,033.37
  4. Step 4: Simplify right side
    1,007,742.37x = 771,876,293,541.10
  5. Step 5: Solve for x
    x = 771,876,293,541.10/1,007,742.37
  6. Step 6: Final answer
    x = 765,946.06

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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.