Home / 1,118,783.62-1,678,217-360,636.03

Finding the Fourth Proportional to 1,118,783.62, 1,678,217 and 360,636.03

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Solution

The fourth proportional to 1,118,783.62, 1,678,217 and 360,636.03 is: 540,967.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,783.62 : 1,678,217 = 360,636.03 : x
  2. Step 2: Convert to fraction form
    1,118,783.62/1,678,217 = 360,636.03/x
  3. Step 3: Cross multiply
    1,118,783.62x = 1,678,217 × 360,636.03
  4. Step 4: Simplify right side
    1,118,783.62x = 605,225,516,358.51
  5. Step 5: Solve for x
    x = 605,225,516,358.51/1,118,783.62
  6. Step 6: Final answer
    x = 540,967.44

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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.