Home / 1,623,690.75-2,240,697.60-898,588.47

Finding the Fourth Proportional to 1,623,690.75, 2,240,697.60 and 898,588.47

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Solution

The fourth proportional to 1,623,690.75, 2,240,697.60 and 898,588.47 is: 1,240,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,690.75 : 2,240,697.60 = 898,588.47 : x
  2. Step 2: Convert to fraction form
    1,623,690.75/2,240,697.60 = 898,588.47/x
  3. Step 3: Cross multiply
    1,623,690.75x = 2,240,697.60 × 898,588.47
  4. Step 4: Simplify right side
    1,623,690.75x = 2,013,465,028,116.67
  5. Step 5: Solve for x
    x = 2,013,465,028,116.67/1,623,690.75
  6. Step 6: Final answer
    x = 1,240,054.50

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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.