Home / 1,298,574.80-1,946,537.40-877,893.20

Finding the Fourth Proportional to 1,298,574.80, 1,946,537.40 and 877,893.20

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Solution

The fourth proportional to 1,298,574.80, 1,946,537.40 and 877,893.20 is: 1,315,944.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,574.80 : 1,946,537.40 = 877,893.20 : x
  2. Step 2: Convert to fraction form
    1,298,574.80/1,946,537.40 = 877,893.20/x
  3. Step 3: Cross multiply
    1,298,574.80x = 1,946,537.40 × 877,893.20
  4. Step 4: Simplify right side
    1,298,574.80x = 1,708,851,947,005.68
  5. Step 5: Solve for x
    x = 1,708,851,947,005.68/1,298,574.80
  6. Step 6: Final answer
    x = 1,315,944.18

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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.