Home / 1,505,000.90-2,076,310.06-860,075.12

Finding the Fourth Proportional to 1,505,000.90, 2,076,310.06 and 860,075.12

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Solution

The fourth proportional to 1,505,000.90, 2,076,310.06 and 860,075.12 is: 1,186,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,000.90 : 2,076,310.06 = 860,075.12 : x
  2. Step 2: Convert to fraction form
    1,505,000.90/2,076,310.06 = 860,075.12/x
  3. Step 3: Cross multiply
    1,505,000.90x = 2,076,310.06 × 860,075.12
  4. Step 4: Simplify right side
    1,505,000.90x = 1,785,782,627,052.29
  5. Step 5: Solve for x
    x = 1,785,782,627,052.29/1,505,000.90
  6. Step 6: Final answer
    x = 1,186,565.82

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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.