Home / 1,077,322.32-1,486,701-624,871.44

Finding the Fourth Proportional to 1,077,322.32, 1,486,701 and 624,871.44

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Solution

The fourth proportional to 1,077,322.32, 1,486,701 and 624,871.44 is: 862,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,322.32 : 1,486,701 = 624,871.44 : x
  2. Step 2: Convert to fraction form
    1,077,322.32/1,486,701 = 624,871.44/x
  3. Step 3: Cross multiply
    1,077,322.32x = 1,486,701 × 624,871.44
  4. Step 4: Simplify right side
    1,077,322.32x = 928,996,994,719.44
  5. Step 5: Solve for x
    x = 928,996,994,719.44/1,077,322.32
  6. Step 6: Final answer
    x = 862,320.38

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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.