Home / 1,465,730.08-2,022,248.40-821,063.20

Finding the Fourth Proportional to 1,465,730.08, 2,022,248.40 and 821,063.20

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Solution

The fourth proportional to 1,465,730.08, 2,022,248.40 and 821,063.20 is: 1,132,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,730.08 : 2,022,248.40 = 821,063.20 : x
  2. Step 2: Convert to fraction form
    1,465,730.08/2,022,248.40 = 821,063.20/x
  3. Step 3: Cross multiply
    1,465,730.08x = 2,022,248.40 × 821,063.20
  4. Step 4: Simplify right side
    1,465,730.08x = 1,660,393,742,498.88
  5. Step 5: Solve for x
    x = 1,660,393,742,498.88/1,465,730.08
  6. Step 6: Final answer
    x = 1,132,810.03

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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.