Home / 1,578,115.35-2,366,829.37-425,335

Finding the Fourth Proportional to 1,578,115.35, 2,366,829.37 and 425,335

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Solution

The fourth proportional to 1,578,115.35, 2,366,829.37 and 425,335 is: 637,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,115.35 : 2,366,829.37 = 425,335 : x
  2. Step 2: Convert to fraction form
    1,578,115.35/2,366,829.37 = 425,335/x
  3. Step 3: Cross multiply
    1,578,115.35x = 2,366,829.37 × 425,335
  4. Step 4: Simplify right side
    1,578,115.35x = 1,006,695,370,088.95
  5. Step 5: Solve for x
    x = 1,006,695,370,088.95/1,578,115.35
  6. Step 6: Final answer
    x = 637,909.88

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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.