Home / 1,139,900.32-1,701,431.96-1,005,424.48

Finding the Fourth Proportional to 1,139,900.32, 1,701,431.96 and 1,005,424.48

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Solution

The fourth proportional to 1,139,900.32, 1,701,431.96 and 1,005,424.48 is: 1,500,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,900.32 : 1,701,431.96 = 1,005,424.48 : x
  2. Step 2: Convert to fraction form
    1,139,900.32/1,701,431.96 = 1,005,424.48/x
  3. Step 3: Cross multiply
    1,139,900.32x = 1,701,431.96 × 1,005,424.48
  4. Step 4: Simplify right side
    1,139,900.32x = 1,710,661,343,638.38
  5. Step 5: Solve for x
    x = 1,710,661,343,638.38/1,139,900.32
  6. Step 6: Final answer
    x = 1,500,711.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.