Home / 1,007,107.14-1,387,160.35-774,088.45

Finding the Fourth Proportional to 1,007,107.14, 1,387,160.35 and 774,088.45

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Solution

The fourth proportional to 1,007,107.14, 1,387,160.35 and 774,088.45 is: 1,066,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,107.14 : 1,387,160.35 = 774,088.45 : x
  2. Step 2: Convert to fraction form
    1,007,107.14/1,387,160.35 = 774,088.45/x
  3. Step 3: Cross multiply
    1,007,107.14x = 1,387,160.35 × 774,088.45
  4. Step 4: Simplify right side
    1,007,107.14x = 1,073,784,799,829.84
  5. Step 5: Solve for x
    x = 1,073,784,799,829.84/1,007,107.14
  6. Step 6: Final answer
    x = 1,066,207.11

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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.