Home / 1,506,439.91-2,078,880.35-818,106.36

Finding the Fourth Proportional to 1,506,439.91, 2,078,880.35 and 818,106.36

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Solution

The fourth proportional to 1,506,439.91, 2,078,880.35 and 818,106.36 is: 1,128,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,439.91 : 2,078,880.35 = 818,106.36 : x
  2. Step 2: Convert to fraction form
    1,506,439.91/2,078,880.35 = 818,106.36/x
  3. Step 3: Cross multiply
    1,506,439.91x = 2,078,880.35 × 818,106.36
  4. Step 4: Simplify right side
    1,506,439.91x = 1,700,745,231,923.49
  5. Step 5: Solve for x
    x = 1,700,745,231,923.49/1,506,439.91
  6. Step 6: Final answer
    x = 1,128,983.13

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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.