Home / 1,130,488.80-1,693,764.90-730,923.90

Finding the Fourth Proportional to 1,130,488.80, 1,693,764.90 and 730,923.90

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Solution

The fourth proportional to 1,130,488.80, 1,693,764.90 and 730,923.90 is: 1,095,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,488.80 : 1,693,764.90 = 730,923.90 : x
  2. Step 2: Convert to fraction form
    1,130,488.80/1,693,764.90 = 730,923.90/x
  3. Step 3: Cross multiply
    1,130,488.80x = 1,693,764.90 × 730,923.90
  4. Step 4: Simplify right side
    1,130,488.80x = 1,238,013,246,391.11
  5. Step 5: Solve for x
    x = 1,238,013,246,391.11/1,130,488.80
  6. Step 6: Final answer
    x = 1,095,113.23

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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.