Home / 993,680.22-1,490,860.54-424,826.94

Finding the Fourth Proportional to 993,680.22, 1,490,860.54 and 424,826.94

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Solution

The fourth proportional to 993,680.22, 1,490,860.54 and 424,826.94 is: 637,385.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,680.22 : 1,490,860.54 = 424,826.94 : x
  2. Step 2: Convert to fraction form
    993,680.22/1,490,860.54 = 424,826.94/x
  3. Step 3: Cross multiply
    993,680.22x = 1,490,860.54 × 424,826.94
  4. Step 4: Simplify right side
    993,680.22x = 633,357,721,174.95
  5. Step 5: Solve for x
    x = 633,357,721,174.95/993,680.22
  6. Step 6: Final answer
    x = 637,385.86

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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.