Home / 1,008,126.02-1,511,019-408,341.28

Finding the Fourth Proportional to 1,008,126.02, 1,511,019 and 408,341.28

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Solution

The fourth proportional to 1,008,126.02, 1,511,019 and 408,341.28 is: 612,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,126.02 : 1,511,019 = 408,341.28 : x
  2. Step 2: Convert to fraction form
    1,008,126.02/1,511,019 = 408,341.28/x
  3. Step 3: Cross multiply
    1,008,126.02x = 1,511,019 × 408,341.28
  4. Step 4: Simplify right side
    1,008,126.02x = 617,011,432,564.32
  5. Step 5: Solve for x
    x = 617,011,432,564.32/1,008,126.02
  6. Step 6: Final answer
    x = 612,038.00

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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.