Home / 1,112,412.94-1,535,160.08-629,050.40

Finding the Fourth Proportional to 1,112,412.94, 1,535,160.08 and 629,050.40

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Solution

The fourth proportional to 1,112,412.94, 1,535,160.08 and 629,050.40 is: 868,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,412.94 : 1,535,160.08 = 629,050.40 : x
  2. Step 2: Convert to fraction form
    1,112,412.94/1,535,160.08 = 629,050.40/x
  3. Step 3: Cross multiply
    1,112,412.94x = 1,535,160.08 × 629,050.40
  4. Step 4: Simplify right side
    1,112,412.94x = 965,693,062,388.03
  5. Step 5: Solve for x
    x = 965,693,062,388.03/1,112,412.94
  6. Step 6: Final answer
    x = 868,106.64

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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.