Home / 1,007,970.24-1,390,932.90-555,261.24

Finding the Fourth Proportional to 1,007,970.24, 1,390,932.90 and 555,261.24

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Solution

The fourth proportional to 1,007,970.24, 1,390,932.90 and 555,261.24 is: 766,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,970.24 : 1,390,932.90 = 555,261.24 : x
  2. Step 2: Convert to fraction form
    1,007,970.24/1,390,932.90 = 555,261.24/x
  3. Step 3: Cross multiply
    1,007,970.24x = 1,390,932.90 × 555,261.24
  4. Step 4: Simplify right side
    1,007,970.24x = 772,331,126,810.80
  5. Step 5: Solve for x
    x = 772,331,126,810.80/1,007,970.24
  6. Step 6: Final answer
    x = 766,224.14

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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.