Home / 1,755,420.64-2,635,230.48-1,045,782.88

Finding the Fourth Proportional to 1,755,420.64, 2,635,230.48 and 1,045,782.88

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Solution

The fourth proportional to 1,755,420.64, 2,635,230.48 and 1,045,782.88 is: 1,569,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,420.64 : 2,635,230.48 = 1,045,782.88 : x
  2. Step 2: Convert to fraction form
    1,755,420.64/2,635,230.48 = 1,045,782.88/x
  3. Step 3: Cross multiply
    1,755,420.64x = 2,635,230.48 × 1,045,782.88
  4. Step 4: Simplify right side
    1,755,420.64x = 2,755,878,920,838.18
  5. Step 5: Solve for x
    x = 2,755,878,920,838.18/1,755,420.64
  6. Step 6: Final answer
    x = 1,569,925.10

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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.