Home / 1,132,816.87-1,698,978.79-374,479.18

Finding the Fourth Proportional to 1,132,816.87, 1,698,978.79 and 374,479.18

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Solution

The fourth proportional to 1,132,816.87, 1,698,978.79 and 374,479.18 is: 561,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,816.87 : 1,698,978.79 = 374,479.18 : x
  2. Step 2: Convert to fraction form
    1,132,816.87/1,698,978.79 = 374,479.18/x
  3. Step 3: Cross multiply
    1,132,816.87x = 1,698,978.79 × 374,479.18
  4. Step 4: Simplify right side
    1,132,816.87x = 636,232,174,685.50
  5. Step 5: Solve for x
    x = 636,232,174,685.50/1,132,816.87
  6. Step 6: Final answer
    x = 561,637.27

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1.5x scale

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.