Home / 1,402,370.42-2,101,894.52-643,572.27

Finding the Fourth Proportional to 1,402,370.42, 2,101,894.52 and 643,572.27

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Solution

The fourth proportional to 1,402,370.42, 2,101,894.52 and 643,572.27 is: 964,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,370.42 : 2,101,894.52 = 643,572.27 : x
  2. Step 2: Convert to fraction form
    1,402,370.42/2,101,894.52 = 643,572.27/x
  3. Step 3: Cross multiply
    1,402,370.42x = 2,101,894.52 × 643,572.27
  4. Step 4: Simplify right side
    1,402,370.42x = 1,352,721,024,319.10
  5. Step 5: Solve for x
    x = 1,352,721,024,319.10/1,402,370.42
  6. Step 6: Final answer
    x = 964,596.09

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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.