Home / 1,145,040.30-1,717,830.18-346,328.46

Finding the Fourth Proportional to 1,145,040.30, 1,717,830.18 and 346,328.46

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Solution

The fourth proportional to 1,145,040.30, 1,717,830.18 and 346,328.46 is: 519,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,040.30 : 1,717,830.18 = 346,328.46 : x
  2. Step 2: Convert to fraction form
    1,145,040.30/1,717,830.18 = 346,328.46/x
  3. Step 3: Cross multiply
    1,145,040.30x = 1,717,830.18 × 346,328.46
  4. Step 4: Simplify right side
    1,145,040.30x = 594,933,480,780.92
  5. Step 5: Solve for x
    x = 594,933,480,780.92/1,145,040.30
  6. Step 6: Final answer
    x = 519,574.27

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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.