Home / 875,705.60-1,313,461.20-717,658.40

Finding the Fourth Proportional to 875,705.60, 1,313,461.20 and 717,658.40

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Solution

The fourth proportional to 875,705.60, 1,313,461.20 and 717,658.40 is: 1,076,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,705.60 : 1,313,461.20 = 717,658.40 : x
  2. Step 2: Convert to fraction form
    875,705.60/1,313,461.20 = 717,658.40/x
  3. Step 3: Cross multiply
    875,705.60x = 1,313,461.20 × 717,658.40
  4. Step 4: Simplify right side
    875,705.60x = 942,616,463,254.08
  5. Step 5: Solve for x
    x = 942,616,463,254.08/875,705.60
  6. Step 6: Final answer
    x = 1,076,407.94

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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.