Home / 1,407,949.04-2,110,990.68-509,272.52

Finding the Fourth Proportional to 1,407,949.04, 2,110,990.68 and 509,272.52

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Solution

The fourth proportional to 1,407,949.04, 2,110,990.68 and 509,272.52 is: 763,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,949.04 : 2,110,990.68 = 509,272.52 : x
  2. Step 2: Convert to fraction form
    1,407,949.04/2,110,990.68 = 509,272.52/x
  3. Step 3: Cross multiply
    1,407,949.04x = 2,110,990.68 × 509,272.52
  4. Step 4: Simplify right side
    1,407,949.04x = 1,075,069,543,300.11
  5. Step 5: Solve for x
    x = 1,075,069,543,300.11/1,407,949.04
  6. Step 6: Final answer
    x = 763,571.35

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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.