Home / 1,314,587.80-1,973,436.90-746,421.40

Finding the Fourth Proportional to 1,314,587.80, 1,973,436.90 and 746,421.40

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Solution

The fourth proportional to 1,314,587.80, 1,973,436.90 and 746,421.40 is: 1,120,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,587.80 : 1,973,436.90 = 746,421.40 : x
  2. Step 2: Convert to fraction form
    1,314,587.80/1,973,436.90 = 746,421.40/x
  3. Step 3: Cross multiply
    1,314,587.80x = 1,973,436.90 × 746,421.40
  4. Step 4: Simplify right side
    1,314,587.80x = 1,473,015,533,709.66
  5. Step 5: Solve for x
    x = 1,473,015,533,709.66/1,314,587.80
  6. Step 6: Final answer
    x = 1,120,515.14

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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.