Home / 1,580,460.86-2,181,041.64-855,308.46

Finding the Fourth Proportional to 1,580,460.86, 2,181,041.64 and 855,308.46

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Solution

The fourth proportional to 1,580,460.86, 2,181,041.64 and 855,308.46 is: 1,180,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,460.86 : 2,181,041.64 = 855,308.46 : x
  2. Step 2: Convert to fraction form
    1,580,460.86/2,181,041.64 = 855,308.46/x
  3. Step 3: Cross multiply
    1,580,460.86x = 2,181,041.64 × 855,308.46
  4. Step 4: Simplify right side
    1,580,460.86x = 1,865,463,374,483.18
  5. Step 5: Solve for x
    x = 1,865,463,374,483.18/1,580,460.86
  6. Step 6: Final answer
    x = 1,180,328.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.