Home / 692,147.40-1,038,221.10-692,147.40

Finding the Fourth Proportional to 692,147.40, 1,038,221.10 and 692,147.40

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Solution

The fourth proportional to 692,147.40, 1,038,221.10 and 692,147.40 is: 1,038,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,147.40 : 1,038,221.10 = 692,147.40 : x
  2. Step 2: Convert to fraction form
    692,147.40/1,038,221.10 = 692,147.40/x
  3. Step 3: Cross multiply
    692,147.40x = 1,038,221.10 × 692,147.40
  4. Step 4: Simplify right side
    692,147.40x = 718,602,034,990.14
  5. Step 5: Solve for x
    x = 718,602,034,990.14/692,147.40
  6. Step 6: Final answer
    x = 1,038,221.10

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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.