Home / 1,028,941.20-1,540,459.35-630,360.45

Finding the Fourth Proportional to 1,028,941.20, 1,540,459.35 and 630,360.45

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Solution

The fourth proportional to 1,028,941.20, 1,540,459.35 and 630,360.45 is: 943,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,941.20 : 1,540,459.35 = 630,360.45 : x
  2. Step 2: Convert to fraction form
    1,028,941.20/1,540,459.35 = 630,360.45/x
  3. Step 3: Cross multiply
    1,028,941.20x = 1,540,459.35 × 630,360.45
  4. Step 4: Simplify right side
    1,028,941.20x = 971,044,649,072.71
  5. Step 5: Solve for x
    x = 971,044,649,072.71/1,028,941.20
  6. Step 6: Final answer
    x = 943,731.91

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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.