Home / 1,652,963.86-2,478,482.42-640,903.50

Finding the Fourth Proportional to 1,652,963.86, 2,478,482.42 and 640,903.50

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Solution

The fourth proportional to 1,652,963.86, 2,478,482.42 and 640,903.50 is: 960,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,963.86 : 2,478,482.42 = 640,903.50 : x
  2. Step 2: Convert to fraction form
    1,652,963.86/2,478,482.42 = 640,903.50/x
  3. Step 3: Cross multiply
    1,652,963.86x = 2,478,482.42 × 640,903.50
  4. Step 4: Simplify right side
    1,652,963.86x = 1,588,468,057,666.47
  5. Step 5: Solve for x
    x = 1,588,468,057,666.47/1,652,963.86
  6. Step 6: Final answer
    x = 960,981.72

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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.