Home / 1,145,210.40-1,580,562.72-823,983.84

Finding the Fourth Proportional to 1,145,210.40, 1,580,562.72 and 823,983.84

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Solution

The fourth proportional to 1,145,210.40, 1,580,562.72 and 823,983.84 is: 1,137,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,210.40 : 1,580,562.72 = 823,983.84 : x
  2. Step 2: Convert to fraction form
    1,145,210.40/1,580,562.72 = 823,983.84/x
  3. Step 3: Cross multiply
    1,145,210.40x = 1,580,562.72 × 823,983.84
  4. Step 4: Simplify right side
    1,145,210.40x = 1,302,358,139,386.44
  5. Step 5: Solve for x
    x = 1,302,358,139,386.44/1,145,210.40
  6. Step 6: Final answer
    x = 1,137,221.72

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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.