Home / 1,556,764.07-2,148,285.67-912,613.28

Finding the Fourth Proportional to 1,556,764.07, 2,148,285.67 and 912,613.28

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Solution

The fourth proportional to 1,556,764.07, 2,148,285.67 and 912,613.28 is: 1,259,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,764.07 : 2,148,285.67 = 912,613.28 : x
  2. Step 2: Convert to fraction form
    1,556,764.07/2,148,285.67 = 912,613.28/x
  3. Step 3: Cross multiply
    1,556,764.07x = 2,148,285.67 × 912,613.28
  4. Step 4: Simplify right side
    1,556,764.07x = 1,960,554,018,652.74
  5. Step 5: Solve for x
    x = 1,960,554,018,652.74/1,556,764.07
  6. Step 6: Final answer
    x = 1,259,377.75

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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.