Home / 1,615,870.11-2,423,060.22-478,225.52

Finding the Fourth Proportional to 1,615,870.11, 2,423,060.22 and 478,225.52

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Solution

The fourth proportional to 1,615,870.11, 2,423,060.22 and 478,225.52 is: 717,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,870.11 : 2,423,060.22 = 478,225.52 : x
  2. Step 2: Convert to fraction form
    1,615,870.11/2,423,060.22 = 478,225.52/x
  3. Step 3: Cross multiply
    1,615,870.11x = 2,423,060.22 × 478,225.52
  4. Step 4: Simplify right side
    1,615,870.11x = 1,158,769,232,465.33
  5. Step 5: Solve for x
    x = 1,158,769,232,465.33/1,615,870.11
  6. Step 6: Final answer
    x = 717,117.81

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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.