Home / 1,559,729.20-2,337,555.40-1,128,897.32

Finding the Fourth Proportional to 1,559,729.20, 2,337,555.40 and 1,128,897.32

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Solution

The fourth proportional to 1,559,729.20, 2,337,555.40 and 1,128,897.32 is: 1,691,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,729.20 : 2,337,555.40 = 1,128,897.32 : x
  2. Step 2: Convert to fraction form
    1,559,729.20/2,337,555.40 = 1,128,897.32/x
  3. Step 3: Cross multiply
    1,559,729.20x = 2,337,555.40 × 1,128,897.32
  4. Step 4: Simplify right side
    1,559,729.20x = 2,638,860,026,411.53
  5. Step 5: Solve for x
    x = 2,638,860,026,411.53/1,559,729.20
  6. Step 6: Final answer
    x = 1,691,870.63

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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.