Home / 1,130,058-1,559,480.04-620,768.88

Finding the Fourth Proportional to 1,130,058, 1,559,480.04 and 620,768.88

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Solution

The fourth proportional to 1,130,058, 1,559,480.04 and 620,768.88 is: 856,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,058 : 1,559,480.04 = 620,768.88 : x
  2. Step 2: Convert to fraction form
    1,130,058/1,559,480.04 = 620,768.88/x
  3. Step 3: Cross multiply
    1,130,058x = 1,559,480.04 × 620,768.88
  4. Step 4: Simplify right side
    1,130,058x = 968,076,677,813.16
  5. Step 5: Solve for x
    x = 968,076,677,813.16/1,130,058
  6. Step 6: Final answer
    x = 856,661.05

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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.