Home / 1,307,060.20-1,960,590.30-465,639.40

Finding the Fourth Proportional to 1,307,060.20, 1,960,590.30 and 465,639.40

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Solution

The fourth proportional to 1,307,060.20, 1,960,590.30 and 465,639.40 is: 698,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,060.20 : 1,960,590.30 = 465,639.40 : x
  2. Step 2: Convert to fraction form
    1,307,060.20/1,960,590.30 = 465,639.40/x
  3. Step 3: Cross multiply
    1,307,060.20x = 1,960,590.30 × 465,639.40
  4. Step 4: Simplify right side
    1,307,060.20x = 912,928,090,937.82
  5. Step 5: Solve for x
    x = 912,928,090,937.82/1,307,060.20
  6. Step 6: Final answer
    x = 698,459.10

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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.