Home / 1,518,486.32-2,095,446.12-830,145.44

Finding the Fourth Proportional to 1,518,486.32, 2,095,446.12 and 830,145.44

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Solution

The fourth proportional to 1,518,486.32, 2,095,446.12 and 830,145.44 is: 1,145,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,486.32 : 2,095,446.12 = 830,145.44 : x
  2. Step 2: Convert to fraction form
    1,518,486.32/2,095,446.12 = 830,145.44/x
  3. Step 3: Cross multiply
    1,518,486.32x = 2,095,446.12 × 830,145.44
  4. Step 4: Simplify right side
    1,518,486.32x = 1,739,525,041,283.69
  5. Step 5: Solve for x
    x = 1,739,525,041,283.69/1,518,486.32
  6. Step 6: Final answer
    x = 1,145,565.17

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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.