Home / 1,282,172.95-1,769,442.39-730,970.17

Finding the Fourth Proportional to 1,282,172.95, 1,769,442.39 and 730,970.17

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Solution

The fourth proportional to 1,282,172.95, 1,769,442.39 and 730,970.17 is: 1,008,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,172.95 : 1,769,442.39 = 730,970.17 : x
  2. Step 2: Convert to fraction form
    1,282,172.95/1,769,442.39 = 730,970.17/x
  3. Step 3: Cross multiply
    1,282,172.95x = 1,769,442.39 × 730,970.17
  4. Step 4: Simplify right side
    1,282,172.95x = 1,293,409,604,623.51
  5. Step 5: Solve for x
    x = 1,293,409,604,623.51/1,282,172.95
  6. Step 6: Final answer
    x = 1,008,763.76

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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.