Home / 1,416,574.30-1,954,815.50-771,980.66

Finding the Fourth Proportional to 1,416,574.30, 1,954,815.50 and 771,980.66

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Solution

The fourth proportional to 1,416,574.30, 1,954,815.50 and 771,980.66 is: 1,065,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,574.30 : 1,954,815.50 = 771,980.66 : x
  2. Step 2: Convert to fraction form
    1,416,574.30/1,954,815.50 = 771,980.66/x
  3. Step 3: Cross multiply
    1,416,574.30x = 1,954,815.50 × 771,980.66
  4. Step 4: Simplify right side
    1,416,574.30x = 1,509,079,752,024.10
  5. Step 5: Solve for x
    x = 1,509,079,752,024.10/1,416,574.30
  6. Step 6: Final answer
    x = 1,065,302.22

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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.