Home / 1,361,854.80-1,880,164.44-1,210,514.40

Finding the Fourth Proportional to 1,361,854.80, 1,880,164.44 and 1,210,514.40

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Solution

The fourth proportional to 1,361,854.80, 1,880,164.44 and 1,210,514.40 is: 1,671,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,854.80 : 1,880,164.44 = 1,210,514.40 : x
  2. Step 2: Convert to fraction form
    1,361,854.80/1,880,164.44 = 1,210,514.40/x
  3. Step 3: Cross multiply
    1,361,854.80x = 1,880,164.44 × 1,210,514.40
  4. Step 4: Simplify right side
    1,361,854.80x = 2,275,966,128,987.94
  5. Step 5: Solve for x
    x = 2,275,966,128,987.94/1,361,854.80
  6. Step 6: Final answer
    x = 1,671,225.25

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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.