Home / 1,312,624.04-1,811,421.24-709,012.04

Finding the Fourth Proportional to 1,312,624.04, 1,811,421.24 and 709,012.04

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Solution

The fourth proportional to 1,312,624.04, 1,811,421.24 and 709,012.04 is: 978,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,624.04 : 1,811,421.24 = 709,012.04 : x
  2. Step 2: Convert to fraction form
    1,312,624.04/1,811,421.24 = 709,012.04/x
  3. Step 3: Cross multiply
    1,312,624.04x = 1,811,421.24 × 709,012.04
  4. Step 4: Simplify right side
    1,312,624.04x = 1,284,319,468,671.73
  5. Step 5: Solve for x
    x = 1,284,319,468,671.73/1,312,624.04
  6. Step 6: Final answer
    x = 978,436.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.