Home / 1,676,543.23-2,514,838.43-478,465.68

Finding the Fourth Proportional to 1,676,543.23, 2,514,838.43 and 478,465.68

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Solution

The fourth proportional to 1,676,543.23, 2,514,838.43 and 478,465.68 is: 717,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,543.23 : 2,514,838.43 = 478,465.68 : x
  2. Step 2: Convert to fraction form
    1,676,543.23/2,514,838.43 = 478,465.68/x
  3. Step 3: Cross multiply
    1,676,543.23x = 2,514,838.43 × 478,465.68
  4. Step 4: Simplify right side
    1,676,543.23x = 1,203,263,879,500.08
  5. Step 5: Solve for x
    x = 1,203,263,879,500.08/1,676,543.23
  6. Step 6: Final answer
    x = 717,705.25

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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.