Home / 1,087,232.90-1,630,129.50-518,701.74

Finding the Fourth Proportional to 1,087,232.90, 1,630,129.50 and 518,701.74

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Solution

The fourth proportional to 1,087,232.90, 1,630,129.50 and 518,701.74 is: 777,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,232.90 : 1,630,129.50 = 518,701.74 : x
  2. Step 2: Convert to fraction form
    1,087,232.90/1,630,129.50 = 518,701.74/x
  3. Step 3: Cross multiply
    1,087,232.90x = 1,630,129.50 × 518,701.74
  4. Step 4: Simplify right side
    1,087,232.90x = 845,551,008,075.33
  5. Step 5: Solve for x
    x = 845,551,008,075.33/1,087,232.90
  6. Step 6: Final answer
    x = 777,709.18

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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.