Home / 1,581,307.20-2,372,026.48-459,376.20

Finding the Fourth Proportional to 1,581,307.20, 2,372,026.48 and 459,376.20

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Solution

The fourth proportional to 1,581,307.20, 2,372,026.48 and 459,376.20 is: 689,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,307.20 : 2,372,026.48 = 459,376.20 : x
  2. Step 2: Convert to fraction form
    1,581,307.20/2,372,026.48 = 459,376.20/x
  3. Step 3: Cross multiply
    1,581,307.20x = 2,372,026.48 × 459,376.20
  4. Step 4: Simplify right side
    1,581,307.20x = 1,089,652,510,681.78
  5. Step 5: Solve for x
    x = 1,089,652,510,681.78/1,581,307.20
  6. Step 6: Final answer
    x = 689,083.38

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Double scale
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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.