Home / 1,488,330.45-2,054,006.10-843,809.40

Finding the Fourth Proportional to 1,488,330.45, 2,054,006.10 and 843,809.40

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Solution

The fourth proportional to 1,488,330.45, 2,054,006.10 and 843,809.40 is: 1,164,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,330.45 : 2,054,006.10 = 843,809.40 : x
  2. Step 2: Convert to fraction form
    1,488,330.45/2,054,006.10 = 843,809.40/x
  3. Step 3: Cross multiply
    1,488,330.45x = 2,054,006.10 × 843,809.40
  4. Step 4: Simplify right side
    1,488,330.45x = 1,733,189,654,837.34
  5. Step 5: Solve for x
    x = 1,733,189,654,837.34/1,488,330.45
  6. Step 6: Final answer
    x = 1,164,519.38

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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.