Home / 1,155,322.12-1,732,316.16-356,389.16

Finding the Fourth Proportional to 1,155,322.12, 1,732,316.16 and 356,389.16

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Solution

The fourth proportional to 1,155,322.12, 1,732,316.16 and 356,389.16 is: 534,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,322.12 : 1,732,316.16 = 356,389.16 : x
  2. Step 2: Convert to fraction form
    1,155,322.12/1,732,316.16 = 356,389.16/x
  3. Step 3: Cross multiply
    1,155,322.12x = 1,732,316.16 × 356,389.16
  4. Step 4: Simplify right side
    1,155,322.12x = 617,378,701,116.83
  5. Step 5: Solve for x
    x = 617,378,701,116.83/1,155,322.12
  6. Step 6: Final answer
    x = 534,377.98

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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.