Home / 1,787,115.40-2,681,018.70-524,984.20

Finding the Fourth Proportional to 1,787,115.40, 2,681,018.70 and 524,984.20

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Solution

The fourth proportional to 1,787,115.40, 2,681,018.70 and 524,984.20 is: 787,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,115.40 : 2,681,018.70 = 524,984.20 : x
  2. Step 2: Convert to fraction form
    1,787,115.40/2,681,018.70 = 524,984.20/x
  3. Step 3: Cross multiply
    1,787,115.40x = 2,681,018.70 × 524,984.20
  4. Step 4: Simplify right side
    1,787,115.40x = 1,407,492,457,404.54
  5. Step 5: Solve for x
    x = 1,407,492,457,404.54/1,787,115.40
  6. Step 6: Final answer
    x = 787,577.82

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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.