Home / 1,317,526.80-1,818,139.60-744,554.40

Finding the Fourth Proportional to 1,317,526.80, 1,818,139.60 and 744,554.40

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Solution

The fourth proportional to 1,317,526.80, 1,818,139.60 and 744,554.40 is: 1,027,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,526.80 : 1,818,139.60 = 744,554.40 : x
  2. Step 2: Convert to fraction form
    1,317,526.80/1,818,139.60 = 744,554.40/x
  3. Step 3: Cross multiply
    1,317,526.80x = 1,818,139.60 × 744,554.40
  4. Step 4: Simplify right side
    1,317,526.80x = 1,353,703,838,994.24
  5. Step 5: Solve for x
    x = 1,353,703,838,994.24/1,317,526.80
  6. Step 6: Final answer
    x = 1,027,458.29

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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.