Home / 1,500,459.48-2,250,549.45-421,072.92

Finding the Fourth Proportional to 1,500,459.48, 2,250,549.45 and 421,072.92

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Solution

The fourth proportional to 1,500,459.48, 2,250,549.45 and 421,072.92 is: 631,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,459.48 : 2,250,549.45 = 421,072.92 : x
  2. Step 2: Convert to fraction form
    1,500,459.48/2,250,549.45 = 421,072.92/x
  3. Step 3: Cross multiply
    1,500,459.48x = 2,250,549.45 × 421,072.92
  4. Step 4: Simplify right side
    1,500,459.48x = 947,645,428,515.89
  5. Step 5: Solve for x
    x = 947,645,428,515.89/1,500,459.48
  6. Step 6: Final answer
    x = 631,570.16

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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.