Home / 1,210,109.10-1,815,163.65-787,094.70

Finding the Fourth Proportional to 1,210,109.10, 1,815,163.65 and 787,094.70

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Solution

The fourth proportional to 1,210,109.10, 1,815,163.65 and 787,094.70 is: 1,180,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,109.10 : 1,815,163.65 = 787,094.70 : x
  2. Step 2: Convert to fraction form
    1,210,109.10/1,815,163.65 = 787,094.70/x
  3. Step 3: Cross multiply
    1,210,109.10x = 1,815,163.65 × 787,094.70
  4. Step 4: Simplify right side
    1,210,109.10x = 1,428,705,688,547.65
  5. Step 5: Solve for x
    x = 1,428,705,688,547.65/1,210,109.10
  6. Step 6: Final answer
    x = 1,180,642.05

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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.