Home / 1,341,128.58-1,850,701.16-760,390.77

Finding the Fourth Proportional to 1,341,128.58, 1,850,701.16 and 760,390.77

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Solution

The fourth proportional to 1,341,128.58, 1,850,701.16 and 760,390.77 is: 1,049,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,128.58 : 1,850,701.16 = 760,390.77 : x
  2. Step 2: Convert to fraction form
    1,341,128.58/1,850,701.16 = 760,390.77/x
  3. Step 3: Cross multiply
    1,341,128.58x = 1,850,701.16 × 760,390.77
  4. Step 4: Simplify right side
    1,341,128.58x = 1,407,256,076,290.34
  5. Step 5: Solve for x
    x = 1,407,256,076,290.34/1,341,128.58
  6. Step 6: Final answer
    x = 1,049,307.35

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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.