Home / 1,702,643.76-2,349,647.64-977,538.24

Finding the Fourth Proportional to 1,702,643.76, 2,349,647.64 and 977,538.24

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Solution

The fourth proportional to 1,702,643.76, 2,349,647.64 and 977,538.24 is: 1,349,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,643.76 : 2,349,647.64 = 977,538.24 : x
  2. Step 2: Convert to fraction form
    1,702,643.76/2,349,647.64 = 977,538.24/x
  3. Step 3: Cross multiply
    1,702,643.76x = 2,349,647.64 × 977,538.24
  4. Step 4: Simplify right side
    1,702,643.76x = 2,296,870,418,625.75
  5. Step 5: Solve for x
    x = 2,296,870,418,625.75/1,702,643.76
  6. Step 6: Final answer
    x = 1,349,002.34

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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.