Home / 1,490,106.04-2,056,344.78-811,040.92

Finding the Fourth Proportional to 1,490,106.04, 2,056,344.78 and 811,040.92

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Solution

The fourth proportional to 1,490,106.04, 2,056,344.78 and 811,040.92 is: 1,119,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,106.04 : 2,056,344.78 = 811,040.92 : x
  2. Step 2: Convert to fraction form
    1,490,106.04/2,056,344.78 = 811,040.92/x
  3. Step 3: Cross multiply
    1,490,106.04x = 2,056,344.78 × 811,040.92
  4. Step 4: Simplify right side
    1,490,106.04x = 1,667,779,762,208.40
  5. Step 5: Solve for x
    x = 1,667,779,762,208.40/1,490,106.04
  6. Step 6: Final answer
    x = 1,119,235.62

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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.