Home / 1,315,477.17-1,967,514.57-774,444.15

Finding the Fourth Proportional to 1,315,477.17, 1,967,514.57 and 774,444.15

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Solution

The fourth proportional to 1,315,477.17, 1,967,514.57 and 774,444.15 is: 1,158,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,477.17 : 1,967,514.57 = 774,444.15 : x
  2. Step 2: Convert to fraction form
    1,315,477.17/1,967,514.57 = 774,444.15/x
  3. Step 3: Cross multiply
    1,315,477.17x = 1,967,514.57 × 774,444.15
  4. Step 4: Simplify right side
    1,315,477.17x = 1,523,730,148,776.27
  5. Step 5: Solve for x
    x = 1,523,730,148,776.27/1,315,477.17
  6. Step 6: Final answer
    x = 1,158,309.84

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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.