Home / 1,087,035.84-1,500,152.60-628,135.20

Finding the Fourth Proportional to 1,087,035.84, 1,500,152.60 and 628,135.20

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Solution

The fourth proportional to 1,087,035.84, 1,500,152.60 and 628,135.20 is: 866,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,035.84 : 1,500,152.60 = 628,135.20 : x
  2. Step 2: Convert to fraction form
    1,087,035.84/1,500,152.60 = 628,135.20/x
  3. Step 3: Cross multiply
    1,087,035.84x = 1,500,152.60 × 628,135.20
  4. Step 4: Simplify right side
    1,087,035.84x = 942,298,653,431.52
  5. Step 5: Solve for x
    x = 942,298,653,431.52/1,087,035.84
  6. Step 6: Final answer
    x = 866,851.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.