Home / 1,340,508.32-1,849,316.64-767,417.12

Finding the Fourth Proportional to 1,340,508.32, 1,849,316.64 and 767,417.12

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Solution

The fourth proportional to 1,340,508.32, 1,849,316.64 and 767,417.12 is: 1,058,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,508.32 : 1,849,316.64 = 767,417.12 : x
  2. Step 2: Convert to fraction form
    1,340,508.32/1,849,316.64 = 767,417.12/x
  3. Step 3: Cross multiply
    1,340,508.32x = 1,849,316.64 × 767,417.12
  4. Step 4: Simplify right side
    1,340,508.32x = 1,419,197,249,836.88
  5. Step 5: Solve for x
    x = 1,419,197,249,836.88/1,340,508.32
  6. Step 6: Final answer
    x = 1,058,700.81

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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.