Home / 1,033,642.25-1,426,312.13-620,157.09

Finding the Fourth Proportional to 1,033,642.25, 1,426,312.13 and 620,157.09

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Solution

The fourth proportional to 1,033,642.25, 1,426,312.13 and 620,157.09 is: 855,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,642.25 : 1,426,312.13 = 620,157.09 : x
  2. Step 2: Convert to fraction form
    1,033,642.25/1,426,312.13 = 620,157.09/x
  3. Step 3: Cross multiply
    1,033,642.25x = 1,426,312.13 × 620,157.09
  4. Step 4: Simplify right side
    1,033,642.25x = 884,537,582,220.39
  5. Step 5: Solve for x
    x = 884,537,582,220.39/1,033,642.25
  6. Step 6: Final answer
    x = 855,748.29

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Double scale
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1.5x scale

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.