Home / 1,302,001.80-1,953,002.70-342,455.55

Finding the Fourth Proportional to 1,302,001.80, 1,953,002.70 and 342,455.55

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Solution

The fourth proportional to 1,302,001.80, 1,953,002.70 and 342,455.55 is: 513,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,001.80 : 1,953,002.70 = 342,455.55 : x
  2. Step 2: Convert to fraction form
    1,302,001.80/1,953,002.70 = 342,455.55/x
  3. Step 3: Cross multiply
    1,302,001.80x = 1,953,002.70 × 342,455.55
  4. Step 4: Simplify right side
    1,302,001.80x = 668,816,613,779.99
  5. Step 5: Solve for x
    x = 668,816,613,779.99/1,302,001.80
  6. Step 6: Final answer
    x = 513,683.33

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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.