Home / 1,323,275.85-1,985,172.24-424,648.50

Finding the Fourth Proportional to 1,323,275.85, 1,985,172.24 and 424,648.50

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Solution

The fourth proportional to 1,323,275.85, 1,985,172.24 and 424,648.50 is: 637,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,275.85 : 1,985,172.24 = 424,648.50 : x
  2. Step 2: Convert to fraction form
    1,323,275.85/1,985,172.24 = 424,648.50/x
  3. Step 3: Cross multiply
    1,323,275.85x = 1,985,172.24 × 424,648.50
  4. Step 4: Simplify right side
    1,323,275.85x = 843,000,413,957.64
  5. Step 5: Solve for x
    x = 843,000,413,957.64/1,323,275.85
  6. Step 6: Final answer
    x = 637,055.69

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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.