Home / 1,298,559.80-1,946,514.90-877,878.20

Finding the Fourth Proportional to 1,298,559.80, 1,946,514.90 and 877,878.20

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Solution

The fourth proportional to 1,298,559.80, 1,946,514.90 and 877,878.20 is: 1,315,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,559.80 : 1,946,514.90 = 877,878.20 : x
  2. Step 2: Convert to fraction form
    1,298,559.80/1,946,514.90 = 877,878.20/x
  3. Step 3: Cross multiply
    1,298,559.80x = 1,946,514.90 × 877,878.20
  4. Step 4: Simplify right side
    1,298,559.80x = 1,708,802,996,685.18
  5. Step 5: Solve for x
    x = 1,708,802,996,685.18/1,298,559.80
  6. Step 6: Final answer
    x = 1,315,921.68

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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.