Home / 991,804.10-1,490,816.55-973,141.70

Finding the Fourth Proportional to 991,804.10, 1,490,816.55 and 973,141.70

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Solution

The fourth proportional to 991,804.10, 1,490,816.55 and 973,141.70 is: 1,462,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,804.10 : 1,490,816.55 = 973,141.70 : x
  2. Step 2: Convert to fraction form
    991,804.10/1,490,816.55 = 973,141.70/x
  3. Step 3: Cross multiply
    991,804.10x = 1,490,816.55 × 973,141.70
  4. Step 4: Simplify right side
    991,804.10x = 1,450,775,751,855.14
  5. Step 5: Solve for x
    x = 1,450,775,751,855.14/991,804.10
  6. Step 6: Final answer
    x = 1,462,764.42

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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.