Home / 3,121,574.63-4,682,363.76-877,712.63

Finding the Fourth Proportional to 3,121,574.63, 4,682,363.76 and 877,712.63

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Solution

The fourth proportional to 3,121,574.63, 4,682,363.76 and 877,712.63 is: 1,316,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,574.63 : 4,682,363.76 = 877,712.63 : x
  2. Step 2: Convert to fraction form
    3,121,574.63/4,682,363.76 = 877,712.63/x
  3. Step 3: Cross multiply
    3,121,574.63x = 4,682,363.76 × 877,712.63
  4. Step 4: Simplify right side
    3,121,574.63x = 4,109,769,786,994.47
  5. Step 5: Solve for x
    x = 4,109,769,786,994.47/3,121,574.63
  6. Step 6: Final answer
    x = 1,316,569.45

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1.5x scale

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.