Home / 913,000.70-1,369,501.05-853,514.30

Finding the Fourth Proportional to 913,000.70, 1,369,501.05 and 853,514.30

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Solution

The fourth proportional to 913,000.70, 1,369,501.05 and 853,514.30 is: 1,280,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,000.70 : 1,369,501.05 = 853,514.30 : x
  2. Step 2: Convert to fraction form
    913,000.70/1,369,501.05 = 853,514.30/x
  3. Step 3: Cross multiply
    913,000.70x = 1,369,501.05 × 853,514.30
  4. Step 4: Simplify right side
    913,000.70x = 1,168,888,730,040.02
  5. Step 5: Solve for x
    x = 1,168,888,730,040.02/913,000.70
  6. Step 6: Final answer
    x = 1,280,271.45

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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.