Home / 1,429,344.16-2,143,688.80-853,130

Finding the Fourth Proportional to 1,429,344.16, 2,143,688.80 and 853,130

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Solution

The fourth proportional to 1,429,344.16, 2,143,688.80 and 853,130 is: 1,279,499.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,344.16 : 2,143,688.80 = 853,130 : x
  2. Step 2: Convert to fraction form
    1,429,344.16/2,143,688.80 = 853,130/x
  3. Step 3: Cross multiply
    1,429,344.16x = 2,143,688.80 × 853,130
  4. Step 4: Simplify right side
    1,429,344.16x = 1,828,845,225,944.00
  5. Step 5: Solve for x
    x = 1,828,845,225,944.00/1,429,344.16
  6. Step 6: Final answer
    x = 1,279,499.56

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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.