Home / 1,311,444-1,965,852.72-511,625.16

Finding the Fourth Proportional to 1,311,444, 1,965,852.72 and 511,625.16

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Solution

The fourth proportional to 1,311,444, 1,965,852.72 and 511,625.16 is: 766,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,444 : 1,965,852.72 = 511,625.16 : x
  2. Step 2: Convert to fraction form
    1,311,444/1,965,852.72 = 511,625.16/x
  3. Step 3: Cross multiply
    1,311,444x = 1,965,852.72 × 511,625.16
  4. Step 4: Simplify right side
    1,311,444x = 1,005,779,712,406.44
  5. Step 5: Solve for x
    x = 1,005,779,712,406.44/1,311,444
  6. Step 6: Final answer
    x = 766,925.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.