Home / 1,281,752.40-1,920,004.20-651,021.60

Finding the Fourth Proportional to 1,281,752.40, 1,920,004.20 and 651,021.60

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Solution

The fourth proportional to 1,281,752.40, 1,920,004.20 and 651,021.60 is: 975,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,752.40 : 1,920,004.20 = 651,021.60 : x
  2. Step 2: Convert to fraction form
    1,281,752.40/1,920,004.20 = 651,021.60/x
  3. Step 3: Cross multiply
    1,281,752.40x = 1,920,004.20 × 651,021.60
  4. Step 4: Simplify right side
    1,281,752.40x = 1,249,964,206,290.72
  5. Step 5: Solve for x
    x = 1,249,964,206,290.72/1,281,752.40
  6. Step 6: Final answer
    x = 975,199.43

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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.