Home / 1,011,443.09-1,395,831.56-581,722.70

Finding the Fourth Proportional to 1,011,443.09, 1,395,831.56 and 581,722.70

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Solution

The fourth proportional to 1,011,443.09, 1,395,831.56 and 581,722.70 is: 802,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,443.09 : 1,395,831.56 = 581,722.70 : x
  2. Step 2: Convert to fraction form
    1,011,443.09/1,395,831.56 = 581,722.70/x
  3. Step 3: Cross multiply
    1,011,443.09x = 1,395,831.56 × 581,722.70
  4. Step 4: Simplify right side
    1,011,443.09x = 811,986,893,940.64
  5. Step 5: Solve for x
    x = 811,986,893,940.64/1,011,443.09
  6. Step 6: Final answer
    x = 802,800.38

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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.