Home / 1,087,602.57-1,501,083.95-813,336.57

Finding the Fourth Proportional to 1,087,602.57, 1,501,083.95 and 813,336.57

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Solution

The fourth proportional to 1,087,602.57, 1,501,083.95 and 813,336.57 is: 1,122,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,602.57 : 1,501,083.95 = 813,336.57 : x
  2. Step 2: Convert to fraction form
    1,087,602.57/1,501,083.95 = 813,336.57/x
  3. Step 3: Cross multiply
    1,087,602.57x = 1,501,083.95 × 813,336.57
  4. Step 4: Simplify right side
    1,087,602.57x = 1,220,886,467,108.37
  5. Step 5: Solve for x
    x = 1,220,886,467,108.37/1,087,602.57
  6. Step 6: Final answer
    x = 1,122,548.35

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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.