Home / 1,698,670.72-2,548,374.72-516,688

Finding the Fourth Proportional to 1,698,670.72, 2,548,374.72 and 516,688

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Solution

The fourth proportional to 1,698,670.72, 2,548,374.72 and 516,688 is: 775,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,670.72 : 2,548,374.72 = 516,688 : x
  2. Step 2: Convert to fraction form
    1,698,670.72/2,548,374.72 = 516,688/x
  3. Step 3: Cross multiply
    1,698,670.72x = 2,548,374.72 × 516,688
  4. Step 4: Simplify right side
    1,698,670.72x = 1,316,714,637,327.36
  5. Step 5: Solve for x
    x = 1,316,714,637,327.36/1,698,670.72
  6. Step 6: Final answer
    x = 775,144.13

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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.