Home / 1,688,934.15-2,533,567.55-490,866.93

Finding the Fourth Proportional to 1,688,934.15, 2,533,567.55 and 490,866.93

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Solution

The fourth proportional to 1,688,934.15, 2,533,567.55 and 490,866.93 is: 736,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,934.15 : 2,533,567.55 = 490,866.93 : x
  2. Step 2: Convert to fraction form
    1,688,934.15/2,533,567.55 = 490,866.93/x
  3. Step 3: Cross multiply
    1,688,934.15x = 2,533,567.55 × 490,866.93
  4. Step 4: Simplify right side
    1,688,934.15x = 1,243,644,522,761.79
  5. Step 5: Solve for x
    x = 1,243,644,522,761.79/1,688,934.15
  6. Step 6: Final answer
    x = 736,348.73

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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.