Home / 1,528,551.28-2,292,877.92-687,105.52

Finding the Fourth Proportional to 1,528,551.28, 2,292,877.92 and 687,105.52

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Solution

The fourth proportional to 1,528,551.28, 2,292,877.92 and 687,105.52 is: 1,030,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,551.28 : 2,292,877.92 = 687,105.52 : x
  2. Step 2: Convert to fraction form
    1,528,551.28/2,292,877.92 = 687,105.52/x
  3. Step 3: Cross multiply
    1,528,551.28x = 2,292,877.92 × 687,105.52
  4. Step 4: Simplify right side
    1,528,551.28x = 1,575,449,075,518.12
  5. Step 5: Solve for x
    x = 1,575,449,075,518.12/1,528,551.28
  6. Step 6: Final answer
    x = 1,030,681.21

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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.