Home / 1,054,828.64-1,582,068.08-380,780.80

Finding the Fourth Proportional to 1,054,828.64, 1,582,068.08 and 380,780.80

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Solution

The fourth proportional to 1,054,828.64, 1,582,068.08 and 380,780.80 is: 571,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,828.64 : 1,582,068.08 = 380,780.80 : x
  2. Step 2: Convert to fraction form
    1,054,828.64/1,582,068.08 = 380,780.80/x
  3. Step 3: Cross multiply
    1,054,828.64x = 1,582,068.08 × 380,780.80
  4. Step 4: Simplify right side
    1,054,828.64x = 602,421,149,156.86
  5. Step 5: Solve for x
    x = 602,421,149,156.86/1,054,828.64
  6. Step 6: Final answer
    x = 571,108.07

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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.