Home / 1,518,345.88-2,095,317.80-830,020.76

Finding the Fourth Proportional to 1,518,345.88, 2,095,317.80 and 830,020.76

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Solution

The fourth proportional to 1,518,345.88, 2,095,317.80 and 830,020.76 is: 1,145,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,345.88 : 2,095,317.80 = 830,020.76 : x
  2. Step 2: Convert to fraction form
    1,518,345.88/2,095,317.80 = 830,020.76/x
  3. Step 3: Cross multiply
    1,518,345.88x = 2,095,317.80 × 830,020.76
  4. Step 4: Simplify right side
    1,518,345.88x = 1,739,157,272,797.53
  5. Step 5: Solve for x
    x = 1,739,157,272,797.53/1,518,345.88
  6. Step 6: Final answer
    x = 1,145,428.91

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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.