Home / 1,313,884.20-1,971,482.40-745,701.60

Finding the Fourth Proportional to 1,313,884.20, 1,971,482.40 and 745,701.60

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Solution

The fourth proportional to 1,313,884.20, 1,971,482.40 and 745,701.60 is: 1,118,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,884.20 : 1,971,482.40 = 745,701.60 : x
  2. Step 2: Convert to fraction form
    1,313,884.20/1,971,482.40 = 745,701.60/x
  3. Step 3: Cross multiply
    1,313,884.20x = 1,971,482.40 × 745,701.60
  4. Step 4: Simplify right side
    1,313,884.20x = 1,470,137,580,051.84
  5. Step 5: Solve for x
    x = 1,470,137,580,051.84/1,313,884.20
  6. Step 6: Final answer
    x = 1,118,924.77

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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.