Home / 1,544,225.60-2,316,223.20-645,435.20

Finding the Fourth Proportional to 1,544,225.60, 2,316,223.20 and 645,435.20

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Solution

The fourth proportional to 1,544,225.60, 2,316,223.20 and 645,435.20 is: 968,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,225.60 : 2,316,223.20 = 645,435.20 : x
  2. Step 2: Convert to fraction form
    1,544,225.60/2,316,223.20 = 645,435.20/x
  3. Step 3: Cross multiply
    1,544,225.60x = 2,316,223.20 × 645,435.20
  4. Step 4: Simplify right side
    1,544,225.60x = 1,494,971,984,336.64
  5. Step 5: Solve for x
    x = 1,494,971,984,336.64/1,544,225.60
  6. Step 6: Final answer
    x = 968,104.65

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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.