Home / 1,129,734.95-1,559,032.29-620,437.32

Finding the Fourth Proportional to 1,129,734.95, 1,559,032.29 and 620,437.32

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Solution

The fourth proportional to 1,129,734.95, 1,559,032.29 and 620,437.32 is: 856,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,734.95 : 1,559,032.29 = 620,437.32 : x
  2. Step 2: Convert to fraction form
    1,129,734.95/1,559,032.29 = 620,437.32/x
  3. Step 3: Cross multiply
    1,129,734.95x = 1,559,032.29 × 620,437.32
  4. Step 4: Simplify right side
    1,129,734.95x = 967,281,815,801.06
  5. Step 5: Solve for x
    x = 967,281,815,801.06/1,129,734.95
  6. Step 6: Final answer
    x = 856,202.44

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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.