Home / 913,313.10-1,369,969.65-889,985.10

Finding the Fourth Proportional to 913,313.10, 1,369,969.65 and 889,985.10

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Solution

The fourth proportional to 913,313.10, 1,369,969.65 and 889,985.10 is: 1,334,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,313.10 : 1,369,969.65 = 889,985.10 : x
  2. Step 2: Convert to fraction form
    913,313.10/1,369,969.65 = 889,985.10/x
  3. Step 3: Cross multiply
    913,313.10x = 1,369,969.65 × 889,985.10
  4. Step 4: Simplify right side
    913,313.10x = 1,219,252,575,952.21
  5. Step 5: Solve for x
    x = 1,219,252,575,952.21/913,313.10
  6. Step 6: Final answer
    x = 1,334,977.65

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Similar ratio
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1.5x scale

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.