Home / 1,070,356.73-1,605,802.80-755,428.73

Finding the Fourth Proportional to 1,070,356.73, 1,605,802.80 and 755,428.73

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Solution

The fourth proportional to 1,070,356.73, 1,605,802.80 and 755,428.73 is: 1,133,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,356.73 : 1,605,802.80 = 755,428.73 : x
  2. Step 2: Convert to fraction form
    1,070,356.73/1,605,802.80 = 755,428.73/x
  3. Step 3: Cross multiply
    1,070,356.73x = 1,605,802.80 × 755,428.73
  4. Step 4: Simplify right side
    1,070,356.73x = 1,213,069,569,834.44
  5. Step 5: Solve for x
    x = 1,213,069,569,834.44/1,070,356.73
  6. Step 6: Final answer
    x = 1,133,332.03

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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.