Home / 1,415,994.08-1,954,064.10-771,412.72

Finding the Fourth Proportional to 1,415,994.08, 1,954,064.10 and 771,412.72

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Solution

The fourth proportional to 1,415,994.08, 1,954,064.10 and 771,412.72 is: 1,064,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,994.08 : 1,954,064.10 = 771,412.72 : x
  2. Step 2: Convert to fraction form
    1,415,994.08/1,954,064.10 = 771,412.72/x
  3. Step 3: Cross multiply
    1,415,994.08x = 1,954,064.10 × 771,412.72
  4. Step 4: Simplify right side
    1,415,994.08x = 1,507,389,902,435.35
  5. Step 5: Solve for x
    x = 1,507,389,902,435.35/1,415,994.08
  6. Step 6: Final answer
    x = 1,064,545.34

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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.