Home / 1,011,228-1,395,494.64-558,548.16

Finding the Fourth Proportional to 1,011,228, 1,395,494.64 and 558,548.16

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Solution

The fourth proportional to 1,011,228, 1,395,494.64 and 558,548.16 is: 770,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,228 : 1,395,494.64 = 558,548.16 : x
  2. Step 2: Convert to fraction form
    1,011,228/1,395,494.64 = 558,548.16/x
  3. Step 3: Cross multiply
    1,011,228x = 1,395,494.64 × 558,548.16
  4. Step 4: Simplify right side
    1,011,228x = 779,450,963,461.86
  5. Step 5: Solve for x
    x = 779,450,963,461.86/1,011,228
  6. Step 6: Final answer
    x = 770,796.46

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1.5x scale

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.