Home / 868,004.60-1,302,006.90-749,809.40

Finding the Fourth Proportional to 868,004.60, 1,302,006.90 and 749,809.40

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Solution

The fourth proportional to 868,004.60, 1,302,006.90 and 749,809.40 is: 1,124,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,004.60 : 1,302,006.90 = 749,809.40 : x
  2. Step 2: Convert to fraction form
    868,004.60/1,302,006.90 = 749,809.40/x
  3. Step 3: Cross multiply
    868,004.60x = 1,302,006.90 × 749,809.40
  4. Step 4: Simplify right side
    868,004.60x = 976,257,012,484.86
  5. Step 5: Solve for x
    x = 976,257,012,484.86/868,004.60
  6. Step 6: Final answer
    x = 1,124,714.10

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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.