Home / 1,623,720.20-2,240,678.52-898,598.48

Finding the Fourth Proportional to 1,623,720.20, 2,240,678.52 and 898,598.48

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Solution

The fourth proportional to 1,623,720.20, 2,240,678.52 and 898,598.48 is: 1,240,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,720.20 : 2,240,678.52 = 898,598.48 : x
  2. Step 2: Convert to fraction form
    1,623,720.20/2,240,678.52 = 898,598.48/x
  3. Step 3: Cross multiply
    1,623,720.20x = 2,240,678.52 × 898,598.48
  4. Step 4: Simplify right side
    1,623,720.20x = 2,013,470,312,240.65
  5. Step 5: Solve for x
    x = 2,013,470,312,240.65/1,623,720.20
  6. Step 6: Final answer
    x = 1,240,035.27

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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.