Home / 1,779,428.30-2,669,142.45-1,480,246.70

Finding the Fourth Proportional to 1,779,428.30, 2,669,142.45 and 1,480,246.70

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Solution

The fourth proportional to 1,779,428.30, 2,669,142.45 and 1,480,246.70 is: 2,220,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,428.30 : 2,669,142.45 = 1,480,246.70 : x
  2. Step 2: Convert to fraction form
    1,779,428.30/2,669,142.45 = 1,480,246.70/x
  3. Step 3: Cross multiply
    1,779,428.30x = 2,669,142.45 × 1,480,246.70
  4. Step 4: Simplify right side
    1,779,428.30x = 3,950,989,303,442.42
  5. Step 5: Solve for x
    x = 3,950,989,303,442.42/1,779,428.30
  6. Step 6: Final answer
    x = 2,220,370.05

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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.