Home / 1,688,850.40-2,533,441.80-490,783.24

Finding the Fourth Proportional to 1,688,850.40, 2,533,441.80 and 490,783.24

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Solution

The fourth proportional to 1,688,850.40, 2,533,441.80 and 490,783.24 is: 736,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,850.40 : 2,533,441.80 = 490,783.24 : x
  2. Step 2: Convert to fraction form
    1,688,850.40/2,533,441.80 = 490,783.24/x
  3. Step 3: Cross multiply
    1,688,850.40x = 2,533,441.80 × 490,783.24
  4. Step 4: Simplify right side
    1,688,850.40x = 1,243,370,774,955.43
  5. Step 5: Solve for x
    x = 1,243,370,774,955.43/1,688,850.40
  6. Step 6: Final answer
    x = 736,223.16

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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.