Home / 1,688,090.86-2,329,565.47-924,144.42

Finding the Fourth Proportional to 1,688,090.86, 2,329,565.47 and 924,144.42

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Solution

The fourth proportional to 1,688,090.86, 2,329,565.47 and 924,144.42 is: 1,275,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,090.86 : 2,329,565.47 = 924,144.42 : x
  2. Step 2: Convert to fraction form
    1,688,090.86/2,329,565.47 = 924,144.42/x
  3. Step 3: Cross multiply
    1,688,090.86x = 2,329,565.47 × 924,144.42
  4. Step 4: Simplify right side
    1,688,090.86x = 2,152,854,936,550.69
  5. Step 5: Solve for x
    x = 2,152,854,936,550.69/1,688,090.86
  6. Step 6: Final answer
    x = 1,275,319.35

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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.