Home / 1,158,407.84-1,597,655.04-815,379.32

Finding the Fourth Proportional to 1,158,407.84, 1,597,655.04 and 815,379.32

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Solution

The fourth proportional to 1,158,407.84, 1,597,655.04 and 815,379.32 is: 1,124,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,407.84 : 1,597,655.04 = 815,379.32 : x
  2. Step 2: Convert to fraction form
    1,158,407.84/1,597,655.04 = 815,379.32/x
  3. Step 3: Cross multiply
    1,158,407.84x = 1,597,655.04 × 815,379.32
  4. Step 4: Simplify right side
    1,158,407.84x = 1,302,694,880,109.77
  5. Step 5: Solve for x
    x = 1,302,694,880,109.77/1,158,407.84
  6. Step 6: Final answer
    x = 1,124,556.34

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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.