Home / 1,587,011.83-2,380,199.46-777,047.28

Finding the Fourth Proportional to 1,587,011.83, 2,380,199.46 and 777,047.28

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Solution

The fourth proportional to 1,587,011.83, 2,380,199.46 and 777,047.28 is: 1,165,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,011.83 : 2,380,199.46 = 777,047.28 : x
  2. Step 2: Convert to fraction form
    1,587,011.83/2,380,199.46 = 777,047.28/x
  3. Step 3: Cross multiply
    1,587,011.83x = 2,380,199.46 × 777,047.28
  4. Step 4: Simplify right side
    1,587,011.83x = 1,849,527,516,250.47
  5. Step 5: Solve for x
    x = 1,849,527,516,250.47/1,587,011.83
  6. Step 6: Final answer
    x = 1,165,415.08

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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.