Home / 1,058,853.60-1,587,697.20-427,053.60

Finding the Fourth Proportional to 1,058,853.60, 1,587,697.20 and 427,053.60

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Solution

The fourth proportional to 1,058,853.60, 1,587,697.20 and 427,053.60 is: 640,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,853.60 : 1,587,697.20 = 427,053.60 : x
  2. Step 2: Convert to fraction form
    1,058,853.60/1,587,697.20 = 427,053.60/x
  3. Step 3: Cross multiply
    1,058,853.60x = 1,587,697.20 × 427,053.60
  4. Step 4: Simplify right side
    1,058,853.60x = 678,031,804,969.92
  5. Step 5: Solve for x
    x = 678,031,804,969.92/1,058,853.60
  6. Step 6: Final answer
    x = 640,345.19

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1.5x scale

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.