Home / 2,460,657.20-3,690,985.80-778,276.40

Finding the Fourth Proportional to 2,460,657.20, 3,690,985.80 and 778,276.40

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Solution

The fourth proportional to 2,460,657.20, 3,690,985.80 and 778,276.40 is: 1,167,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460,657.20 : 3,690,985.80 = 778,276.40 : x
  2. Step 2: Convert to fraction form
    2,460,657.20/3,690,985.80 = 778,276.40/x
  3. Step 3: Cross multiply
    2,460,657.20x = 3,690,985.80 × 778,276.40
  4. Step 4: Simplify right side
    2,460,657.20x = 2,872,607,140,875.12
  5. Step 5: Solve for x
    x = 2,872,607,140,875.12/2,460,657.20
  6. Step 6: Final answer
    x = 1,167,414.60

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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.