Home / 1,309,678.69-1,964,518.55-589,178.81

Finding the Fourth Proportional to 1,309,678.69, 1,964,518.55 and 589,178.81

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Solution

The fourth proportional to 1,309,678.69, 1,964,518.55 and 589,178.81 is: 883,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,678.69 : 1,964,518.55 = 589,178.81 : x
  2. Step 2: Convert to fraction form
    1,309,678.69/1,964,518.55 = 589,178.81/x
  3. Step 3: Cross multiply
    1,309,678.69x = 1,964,518.55 × 589,178.81
  4. Step 4: Simplify right side
    1,309,678.69x = 1,157,452,701,511.93
  5. Step 5: Solve for x
    x = 1,157,452,701,511.93/1,309,678.69
  6. Step 6: Final answer
    x = 883,768.45

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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.