Home / 1,485,987.60-2,050,686.72-841,390.56

Finding the Fourth Proportional to 1,485,987.60, 2,050,686.72 and 841,390.56

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Solution

The fourth proportional to 1,485,987.60, 2,050,686.72 and 841,390.56 is: 1,161,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,987.60 : 2,050,686.72 = 841,390.56 : x
  2. Step 2: Convert to fraction form
    1,485,987.60/2,050,686.72 = 841,390.56/x
  3. Step 3: Cross multiply
    1,485,987.60x = 2,050,686.72 × 841,390.56
  4. Step 4: Simplify right side
    1,485,987.60x = 1,725,428,447,725.36
  5. Step 5: Solve for x
    x = 1,725,428,447,725.36/1,485,987.60
  6. Step 6: Final answer
    x = 1,161,132.47

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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.