Home / 1,008,989.19-1,392,341.81-578,966.67

Finding the Fourth Proportional to 1,008,989.19, 1,392,341.81 and 578,966.67

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Solution

The fourth proportional to 1,008,989.19, 1,392,341.81 and 578,966.67 is: 798,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,989.19 : 1,392,341.81 = 578,966.67 : x
  2. Step 2: Convert to fraction form
    1,008,989.19/1,392,341.81 = 578,966.67/x
  3. Step 3: Cross multiply
    1,008,989.19x = 1,392,341.81 × 578,966.67
  4. Step 4: Simplify right side
    1,008,989.19x = 806,119,498,342.64
  5. Step 5: Solve for x
    x = 806,119,498,342.64/1,008,989.19
  6. Step 6: Final answer
    x = 798,937.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.