Home / 1,007,085.60-1,387,130.70-774,066.93

Finding the Fourth Proportional to 1,007,085.60, 1,387,130.70 and 774,066.93

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Solution

The fourth proportional to 1,007,085.60, 1,387,130.70 and 774,066.93 is: 1,066,177.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,085.60 : 1,387,130.70 = 774,066.93 : x
  2. Step 2: Convert to fraction form
    1,007,085.60/1,387,130.70 = 774,066.93/x
  3. Step 3: Cross multiply
    1,007,085.60x = 1,387,130.70 × 774,066.93
  4. Step 4: Simplify right side
    1,007,085.60x = 1,073,732,002,457.75
  5. Step 5: Solve for x
    x = 1,073,732,002,457.75/1,007,085.60
  6. Step 6: Final answer
    x = 1,066,177.50

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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.