Home / 1,779,470.77-2,669,661.32-517,298.39

Finding the Fourth Proportional to 1,779,470.77, 2,669,661.32 and 517,298.39

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Solution

The fourth proportional to 1,779,470.77, 2,669,661.32 and 517,298.39 is: 776,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,470.77 : 2,669,661.32 = 517,298.39 : x
  2. Step 2: Convert to fraction form
    1,779,470.77/2,669,661.32 = 517,298.39/x
  3. Step 3: Cross multiply
    1,779,470.77x = 2,669,661.32 × 517,298.39
  4. Step 4: Simplify right side
    1,779,470.77x = 1,381,011,502,681.27
  5. Step 5: Solve for x
    x = 1,381,011,502,681.27/1,779,470.77
  6. Step 6: Final answer
    x = 776,079.90

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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.