Home / 1,011,012.48-1,395,197.28-558,332.64

Finding the Fourth Proportional to 1,011,012.48, 1,395,197.28 and 558,332.64

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Solution

The fourth proportional to 1,011,012.48, 1,395,197.28 and 558,332.64 is: 770,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,012.48 : 1,395,197.28 = 558,332.64 : x
  2. Step 2: Convert to fraction form
    1,011,012.48/1,395,197.28 = 558,332.64/x
  3. Step 3: Cross multiply
    1,011,012.48x = 1,395,197.28 × 558,332.64
  4. Step 4: Simplify right side
    1,011,012.48x = 778,984,180,663.22
  5. Step 5: Solve for x
    x = 778,984,180,663.22/1,011,012.48
  6. Step 6: Final answer
    x = 770,499.08

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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.