Home / 1,105,709.80-1,658,564.70-357,831.40

Finding the Fourth Proportional to 1,105,709.80, 1,658,564.70 and 357,831.40

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Solution

The fourth proportional to 1,105,709.80, 1,658,564.70 and 357,831.40 is: 536,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,709.80 : 1,658,564.70 = 357,831.40 : x
  2. Step 2: Convert to fraction form
    1,105,709.80/1,658,564.70 = 357,831.40/x
  3. Step 3: Cross multiply
    1,105,709.80x = 1,658,564.70 × 357,831.40
  4. Step 4: Simplify right side
    1,105,709.80x = 593,486,528,591.58
  5. Step 5: Solve for x
    x = 593,486,528,591.58/1,105,709.80
  6. Step 6: Final answer
    x = 536,747.10

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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.