Home / 1,130,387.80-1,699,518.30-957,177.40

Finding the Fourth Proportional to 1,130,387.80, 1,699,518.30 and 957,177.40

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Solution

The fourth proportional to 1,130,387.80, 1,699,518.30 and 957,177.40 is: 1,439,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,387.80 : 1,699,518.30 = 957,177.40 : x
  2. Step 2: Convert to fraction form
    1,130,387.80/1,699,518.30 = 957,177.40/x
  3. Step 3: Cross multiply
    1,130,387.80x = 1,699,518.30 × 957,177.40
  4. Step 4: Simplify right side
    1,130,387.80x = 1,626,740,507,646.42
  5. Step 5: Solve for x
    x = 1,626,740,507,646.42/1,130,387.80
  6. Step 6: Final answer
    x = 1,439,099.49

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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.