Home / 975,466.60-1,462,981.20-640,855.60

Finding the Fourth Proportional to 975,466.60, 1,462,981.20 and 640,855.60

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Solution

The fourth proportional to 975,466.60, 1,462,981.20 and 640,855.60 is: 961,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,466.60 : 1,462,981.20 = 640,855.60 : x
  2. Step 2: Convert to fraction form
    975,466.60/1,462,981.20 = 640,855.60/x
  3. Step 3: Cross multiply
    975,466.60x = 1,462,981.20 × 640,855.60
  4. Step 4: Simplify right side
    975,466.60x = 937,559,694,714.72
  5. Step 5: Solve for x
    x = 937,559,694,714.72/975,466.60
  6. Step 6: Final answer
    x = 961,139.72

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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.