Home / 1,103,383.38-1,655,271.90-429,831.12

Finding the Fourth Proportional to 1,103,383.38, 1,655,271.90 and 429,831.12

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Solution

The fourth proportional to 1,103,383.38, 1,655,271.90 and 429,831.12 is: 644,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,383.38 : 1,655,271.90 = 429,831.12 : x
  2. Step 2: Convert to fraction form
    1,103,383.38/1,655,271.90 = 429,831.12/x
  3. Step 3: Cross multiply
    1,103,383.38x = 1,655,271.90 × 429,831.12
  4. Step 4: Simplify right side
    1,103,383.38x = 711,487,374,681.53
  5. Step 5: Solve for x
    x = 711,487,374,681.53/1,103,383.38
  6. Step 6: Final answer
    x = 644,823.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.