Home / 1,056,165.80-1,585,803.90-819,775.40

Finding the Fourth Proportional to 1,056,165.80, 1,585,803.90 and 819,775.40

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Solution

The fourth proportional to 1,056,165.80, 1,585,803.90 and 819,775.40 is: 1,230,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,165.80 : 1,585,803.90 = 819,775.40 : x
  2. Step 2: Convert to fraction form
    1,056,165.80/1,585,803.90 = 819,775.40/x
  3. Step 3: Cross multiply
    1,056,165.80x = 1,585,803.90 × 819,775.40
  4. Step 4: Simplify right side
    1,056,165.80x = 1,300,003,026,444.06
  5. Step 5: Solve for x
    x = 1,300,003,026,444.06/1,056,165.80
  6. Step 6: Final answer
    x = 1,230,870.22

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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.