Home / 1,539,410.32-2,124,389.32-860,346.80

Finding the Fourth Proportional to 1,539,410.32, 2,124,389.32 and 860,346.80

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Solution

The fourth proportional to 1,539,410.32, 2,124,389.32 and 860,346.80 is: 1,187,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,410.32 : 2,124,389.32 = 860,346.80 : x
  2. Step 2: Convert to fraction form
    1,539,410.32/2,124,389.32 = 860,346.80/x
  3. Step 3: Cross multiply
    1,539,410.32x = 2,124,389.32 × 860,346.80
  4. Step 4: Simplify right side
    1,539,410.32x = 1,827,711,553,416.18
  5. Step 5: Solve for x
    x = 1,827,711,553,416.18/1,539,410.32
  6. Step 6: Final answer
    x = 1,187,280.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.