Home / 1,406,630.61-2,109,945.95-341,665.50

Finding the Fourth Proportional to 1,406,630.61, 2,109,945.95 and 341,665.50

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Solution

The fourth proportional to 1,406,630.61, 2,109,945.95 and 341,665.50 is: 512,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,630.61 : 2,109,945.95 = 341,665.50 : x
  2. Step 2: Convert to fraction form
    1,406,630.61/2,109,945.95 = 341,665.50/x
  3. Step 3: Cross multiply
    1,406,630.61x = 2,109,945.95 × 341,665.50
  4. Step 4: Simplify right side
    1,406,630.61x = 720,895,736,271.40
  5. Step 5: Solve for x
    x = 720,895,736,271.40/1,406,630.61
  6. Step 6: Final answer
    x = 512,498.26

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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.