Home / 1,779,674.81-2,669,088.81-768,243.35

Finding the Fourth Proportional to 1,779,674.81, 2,669,088.81 and 768,243.35

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Solution

The fourth proportional to 1,779,674.81, 2,669,088.81 and 768,243.35 is: 1,152,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,674.81 : 2,669,088.81 = 768,243.35 : x
  2. Step 2: Convert to fraction form
    1,779,674.81/2,669,088.81 = 768,243.35/x
  3. Step 3: Cross multiply
    1,779,674.81x = 2,669,088.81 × 768,243.35
  4. Step 4: Simplify right side
    1,779,674.81x = 2,050,509,715,496.47
  5. Step 5: Solve for x
    x = 2,050,509,715,496.47/1,779,674.81
  6. Step 6: Final answer
    x = 1,152,182.25

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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.