Home / 1,384,137.60-2,076,206.40-637,641.60

Finding the Fourth Proportional to 1,384,137.60, 2,076,206.40 and 637,641.60

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Solution

The fourth proportional to 1,384,137.60, 2,076,206.40 and 637,641.60 is: 956,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,137.60 : 2,076,206.40 = 637,641.60 : x
  2. Step 2: Convert to fraction form
    1,384,137.60/2,076,206.40 = 637,641.60/x
  3. Step 3: Cross multiply
    1,384,137.60x = 2,076,206.40 × 637,641.60
  4. Step 4: Simplify right side
    1,384,137.60x = 1,323,875,570,826.24
  5. Step 5: Solve for x
    x = 1,323,875,570,826.24/1,384,137.60
  6. Step 6: Final answer
    x = 956,462.40

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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.