Home / 1,020,363.48-1,530,766.63-310,373.06

Finding the Fourth Proportional to 1,020,363.48, 1,530,766.63 and 310,373.06

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Solution

The fourth proportional to 1,020,363.48, 1,530,766.63 and 310,373.06 is: 465,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,363.48 : 1,530,766.63 = 310,373.06 : x
  2. Step 2: Convert to fraction form
    1,020,363.48/1,530,766.63 = 310,373.06/x
  3. Step 3: Cross multiply
    1,020,363.48x = 1,530,766.63 × 310,373.06
  4. Step 4: Simplify right side
    1,020,363.48x = 475,108,726,925.90
  5. Step 5: Solve for x
    x = 475,108,726,925.90/1,020,363.48
  6. Step 6: Final answer
    x = 465,626.94

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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.