Home / 1,779,470.74-2,669,661.28-517,298.36

Finding the Fourth Proportional to 1,779,470.74, 2,669,661.28 and 517,298.36

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Solution

The fourth proportional to 1,779,470.74, 2,669,661.28 and 517,298.36 is: 776,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,470.74 : 2,669,661.28 = 517,298.36 : x
  2. Step 2: Convert to fraction form
    1,779,470.74/2,669,661.28 = 517,298.36/x
  3. Step 3: Cross multiply
    1,779,470.74x = 2,669,661.28 × 517,298.36
  4. Step 4: Simplify right side
    1,779,470.74x = 1,381,011,407,280.41
  5. Step 5: Solve for x
    x = 1,381,011,407,280.41/1,779,470.74
  6. Step 6: Final answer
    x = 776,079.86

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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.