Home / 1,011,036.48-1,395,230.40-558,356.64

Finding the Fourth Proportional to 1,011,036.48, 1,395,230.40 and 558,356.64

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Solution

The fourth proportional to 1,011,036.48, 1,395,230.40 and 558,356.64 is: 770,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,036.48 : 1,395,230.40 = 558,356.64 : x
  2. Step 2: Convert to fraction form
    1,011,036.48/1,395,230.40 = 558,356.64/x
  3. Step 3: Cross multiply
    1,011,036.48x = 1,395,230.40 × 558,356.64
  4. Step 4: Simplify right side
    1,011,036.48x = 779,036,158,169.86
  5. Step 5: Solve for x
    x = 779,036,158,169.86/1,011,036.48
  6. Step 6: Final answer
    x = 770,532.20

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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.