Home / 1,129,730.45-1,559,026.08-620,432.82

Finding the Fourth Proportional to 1,129,730.45, 1,559,026.08 and 620,432.82

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Solution

The fourth proportional to 1,129,730.45, 1,559,026.08 and 620,432.82 is: 856,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,730.45 : 1,559,026.08 = 620,432.82 : x
  2. Step 2: Convert to fraction form
    1,129,730.45/1,559,026.08 = 620,432.82/x
  3. Step 3: Cross multiply
    1,129,730.45x = 1,559,026.08 × 620,432.82
  4. Step 4: Simplify right side
    1,129,730.45x = 967,270,947,267.95
  5. Step 5: Solve for x
    x = 967,270,947,267.95/1,129,730.45
  6. Step 6: Final answer
    x = 856,196.23

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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.