Home / 1,007,760.23-1,390,709.15-555,051.23

Finding the Fourth Proportional to 1,007,760.23, 1,390,709.15 and 555,051.23

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Solution

The fourth proportional to 1,007,760.23, 1,390,709.15 and 555,051.23 is: 765,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,760.23 : 1,390,709.15 = 555,051.23 : x
  2. Step 2: Convert to fraction form
    1,007,760.23/1,390,709.15 = 555,051.23/x
  3. Step 3: Cross multiply
    1,007,760.23x = 1,390,709.15 × 555,051.23
  4. Step 4: Simplify right side
    1,007,760.23x = 771,914,829,670.29
  5. Step 5: Solve for x
    x = 771,914,829,670.29/1,007,760.23
  6. Step 6: Final answer
    x = 765,970.72

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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.