Home / 1,688,911.65-2,533,533.80-490,844.43

Finding the Fourth Proportional to 1,688,911.65, 2,533,533.80 and 490,844.43

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Solution

The fourth proportional to 1,688,911.65, 2,533,533.80 and 490,844.43 is: 736,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,911.65 : 2,533,533.80 = 490,844.43 : x
  2. Step 2: Convert to fraction form
    1,688,911.65/2,533,533.80 = 490,844.43/x
  3. Step 3: Cross multiply
    1,688,911.65x = 2,533,533.80 × 490,844.43
  4. Step 4: Simplify right side
    1,688,911.65x = 1,243,570,951,492.51
  5. Step 5: Solve for x
    x = 1,243,570,951,492.51/1,688,911.65
  6. Step 6: Final answer
    x = 736,314.98

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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.