Home / 1,374,703.92-1,897,068.24-771,078.96

Finding the Fourth Proportional to 1,374,703.92, 1,897,068.24 and 771,078.96

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Solution

The fourth proportional to 1,374,703.92, 1,897,068.24 and 771,078.96 is: 1,064,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,703.92 : 1,897,068.24 = 771,078.96 : x
  2. Step 2: Convert to fraction form
    1,374,703.92/1,897,068.24 = 771,078.96/x
  3. Step 3: Cross multiply
    1,374,703.92x = 1,897,068.24 × 771,078.96
  4. Step 4: Simplify right side
    1,374,703.92x = 1,462,789,405,548.23
  5. Step 5: Solve for x
    x = 1,462,789,405,548.23/1,374,703.92
  6. Step 6: Final answer
    x = 1,064,075.97

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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.