Home / 1,779,405.80-2,669,108.70-1,149,031.40

Finding the Fourth Proportional to 1,779,405.80, 2,669,108.70 and 1,149,031.40

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Solution

The fourth proportional to 1,779,405.80, 2,669,108.70 and 1,149,031.40 is: 1,723,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,405.80 : 2,669,108.70 = 1,149,031.40 : x
  2. Step 2: Convert to fraction form
    1,779,405.80/2,669,108.70 = 1,149,031.40/x
  3. Step 3: Cross multiply
    1,779,405.80x = 2,669,108.70 × 1,149,031.40
  4. Step 4: Simplify right side
    1,779,405.80x = 3,066,889,706,313.18
  5. Step 5: Solve for x
    x = 3,066,889,706,313.18/1,779,405.80
  6. Step 6: Final answer
    x = 1,723,547.10

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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.