Home / 1,098,999.65-1,648,007.40-424,856.90

Finding the Fourth Proportional to 1,098,999.65, 1,648,007.40 and 424,856.90

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Solution

The fourth proportional to 1,098,999.65, 1,648,007.40 and 424,856.90 is: 637,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,999.65 : 1,648,007.40 = 424,856.90 : x
  2. Step 2: Convert to fraction form
    1,098,999.65/1,648,007.40 = 424,856.90/x
  3. Step 3: Cross multiply
    1,098,999.65x = 1,648,007.40 × 424,856.90
  4. Step 4: Simplify right side
    1,098,999.65x = 700,167,315,141.06
  5. Step 5: Solve for x
    x = 700,167,315,141.06/1,098,999.65
  6. Step 6: Final answer
    x = 637,095.12

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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.