Home / 1,368,385.04-1,888,271.90-756,545.15

Finding the Fourth Proportional to 1,368,385.04, 1,888,271.90 and 756,545.15

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Solution

The fourth proportional to 1,368,385.04, 1,888,271.90 and 756,545.15 is: 1,043,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,385.04 : 1,888,271.90 = 756,545.15 : x
  2. Step 2: Convert to fraction form
    1,368,385.04/1,888,271.90 = 756,545.15/x
  3. Step 3: Cross multiply
    1,368,385.04x = 1,888,271.90 × 756,545.15
  4. Step 4: Simplify right side
    1,368,385.04x = 1,428,562,934,602.20
  5. Step 5: Solve for x
    x = 1,428,562,934,602.20/1,368,385.04
  6. Step 6: Final answer
    x = 1,043,977.31

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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.