Home / 1,095,901.80-1,643,852.70-830,181.30

Finding the Fourth Proportional to 1,095,901.80, 1,643,852.70 and 830,181.30

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Solution

The fourth proportional to 1,095,901.80, 1,643,852.70 and 830,181.30 is: 1,245,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,901.80 : 1,643,852.70 = 830,181.30 : x
  2. Step 2: Convert to fraction form
    1,095,901.80/1,643,852.70 = 830,181.30/x
  3. Step 3: Cross multiply
    1,095,901.80x = 1,643,852.70 × 830,181.30
  4. Step 4: Simplify right side
    1,095,901.80x = 1,364,695,771,494.51
  5. Step 5: Solve for x
    x = 1,364,695,771,494.51/1,095,901.80
  6. Step 6: Final answer
    x = 1,245,271.95

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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.