Home / 1,007,536.96-1,390,403.04-554,828.80

Finding the Fourth Proportional to 1,007,536.96, 1,390,403.04 and 554,828.80

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Solution

The fourth proportional to 1,007,536.96, 1,390,403.04 and 554,828.80 is: 765,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,536.96 : 1,390,403.04 = 554,828.80 : x
  2. Step 2: Convert to fraction form
    1,007,536.96/1,390,403.04 = 554,828.80/x
  3. Step 3: Cross multiply
    1,007,536.96x = 1,390,403.04 × 554,828.80
  4. Step 4: Simplify right side
    1,007,536.96x = 771,435,650,199.55
  5. Step 5: Solve for x
    x = 771,435,650,199.55/1,007,536.96
  6. Step 6: Final answer
    x = 765,664.86

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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.