Home / 1,292,619.02-1,938,053.73-450,711.50

Finding the Fourth Proportional to 1,292,619.02, 1,938,053.73 and 450,711.50

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Solution

The fourth proportional to 1,292,619.02, 1,938,053.73 and 450,711.50 is: 675,762.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,619.02 : 1,938,053.73 = 450,711.50 : x
  2. Step 2: Convert to fraction form
    1,292,619.02/1,938,053.73 = 450,711.50/x
  3. Step 3: Cross multiply
    1,292,619.02x = 1,938,053.73 × 450,711.50
  4. Step 4: Simplify right side
    1,292,619.02x = 873,503,103,728.90
  5. Step 5: Solve for x
    x = 873,503,103,728.90/1,292,619.02
  6. Step 6: Final answer
    x = 675,762.22

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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.