Home / 1,776,007.40-2,664,356.70-765,127.40

Finding the Fourth Proportional to 1,776,007.40, 2,664,356.70 and 765,127.40

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Solution

The fourth proportional to 1,776,007.40, 2,664,356.70 and 765,127.40 is: 1,147,839.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,007.40 : 2,664,356.70 = 765,127.40 : x
  2. Step 2: Convert to fraction form
    1,776,007.40/2,664,356.70 = 765,127.40/x
  3. Step 3: Cross multiply
    1,776,007.40x = 2,664,356.70 × 765,127.40
  4. Step 4: Simplify right side
    1,776,007.40x = 2,038,572,314,543.58
  5. Step 5: Solve for x
    x = 2,038,572,314,543.58/1,776,007.40
  6. Step 6: Final answer
    x = 1,147,839.99

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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.