Home / 1,537,990.20-2,307,811.54-640,051

Finding the Fourth Proportional to 1,537,990.20, 2,307,811.54 and 640,051

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Solution

The fourth proportional to 1,537,990.20, 2,307,811.54 and 640,051 is: 960,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,990.20 : 2,307,811.54 = 640,051 : x
  2. Step 2: Convert to fraction form
    1,537,990.20/2,307,811.54 = 640,051/x
  3. Step 3: Cross multiply
    1,537,990.20x = 2,307,811.54 × 640,051
  4. Step 4: Simplify right side
    1,537,990.20x = 1,477,117,083,988.54
  5. Step 5: Solve for x
    x = 1,477,117,083,988.54/1,537,990.20
  6. Step 6: Final answer
    x = 960,420.35

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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.