Home / 1,191,020.79-1,643,423.67-707,573.51

Finding the Fourth Proportional to 1,191,020.79, 1,643,423.67 and 707,573.51

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Solution

The fourth proportional to 1,191,020.79, 1,643,423.67 and 707,573.51 is: 976,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,020.79 : 1,643,423.67 = 707,573.51 : x
  2. Step 2: Convert to fraction form
    1,191,020.79/1,643,423.67 = 707,573.51/x
  3. Step 3: Cross multiply
    1,191,020.79x = 1,643,423.67 × 707,573.51
  4. Step 4: Simplify right side
    1,191,020.79x = 1,162,843,054,598.98
  5. Step 5: Solve for x
    x = 1,162,843,054,598.98/1,191,020.79
  6. Step 6: Final answer
    x = 976,341.53

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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.