Home / 1,026,392.74-1,539,427.40-343,274.40

Finding the Fourth Proportional to 1,026,392.74, 1,539,427.40 and 343,274.40

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Solution

The fourth proportional to 1,026,392.74, 1,539,427.40 and 343,274.40 is: 514,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,392.74 : 1,539,427.40 = 343,274.40 : x
  2. Step 2: Convert to fraction form
    1,026,392.74/1,539,427.40 = 343,274.40/x
  3. Step 3: Cross multiply
    1,026,392.74x = 1,539,427.40 × 343,274.40
  4. Step 4: Simplify right side
    1,026,392.74x = 528,446,017,078.56
  5. Step 5: Solve for x
    x = 528,446,017,078.56/1,026,392.74
  6. Step 6: Final answer
    x = 514,857.52

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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.