Home / 1,357,356.42-2,035,698.21-458,778.20

Finding the Fourth Proportional to 1,357,356.42, 2,035,698.21 and 458,778.20

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Solution

The fourth proportional to 1,357,356.42, 2,035,698.21 and 458,778.20 is: 688,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,356.42 : 2,035,698.21 = 458,778.20 : x
  2. Step 2: Convert to fraction form
    1,357,356.42/2,035,698.21 = 458,778.20/x
  3. Step 3: Cross multiply
    1,357,356.42x = 2,035,698.21 × 458,778.20
  4. Step 4: Simplify right side
    1,357,356.42x = 933,933,950,348.53
  5. Step 5: Solve for x
    x = 933,933,950,348.53/1,357,356.42
  6. Step 6: Final answer
    x = 688,053.58

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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.