Home / 910,021.20-1,365,031.80-898,211.40

Finding the Fourth Proportional to 910,021.20, 1,365,031.80 and 898,211.40

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Solution

The fourth proportional to 910,021.20, 1,365,031.80 and 898,211.40 is: 1,347,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,021.20 : 1,365,031.80 = 898,211.40 : x
  2. Step 2: Convert to fraction form
    910,021.20/1,365,031.80 = 898,211.40/x
  3. Step 3: Cross multiply
    910,021.20x = 1,365,031.80 × 898,211.40
  4. Step 4: Simplify right side
    910,021.20x = 1,226,087,124,122.52
  5. Step 5: Solve for x
    x = 1,226,087,124,122.52/910,021.20
  6. Step 6: Final answer
    x = 1,347,317.10

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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.