Home / 1,318,311.93-1,819,319.45-745,317.93

Finding the Fourth Proportional to 1,318,311.93, 1,819,319.45 and 745,317.93

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Solution

The fourth proportional to 1,318,311.93, 1,819,319.45 and 745,317.93 is: 1,028,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,311.93 : 1,819,319.45 = 745,317.93 : x
  2. Step 2: Convert to fraction form
    1,318,311.93/1,819,319.45 = 745,317.93/x
  3. Step 3: Cross multiply
    1,318,311.93x = 1,819,319.45 × 745,317.93
  4. Step 4: Simplify right side
    1,318,311.93x = 1,355,971,406,482.74
  5. Step 5: Solve for x
    x = 1,355,971,406,482.74/1,318,311.93
  6. Step 6: Final answer
    x = 1,028,566.44

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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.