Home / 1,210,152.72-1,815,426.28-357,310.58

Finding the Fourth Proportional to 1,210,152.72, 1,815,426.28 and 357,310.58

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Solution

The fourth proportional to 1,210,152.72, 1,815,426.28 and 357,310.58 is: 536,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,152.72 : 1,815,426.28 = 357,310.58 : x
  2. Step 2: Convert to fraction form
    1,210,152.72/1,815,426.28 = 357,310.58/x
  3. Step 3: Cross multiply
    1,210,152.72x = 1,815,426.28 × 357,310.58
  4. Step 4: Simplify right side
    1,210,152.72x = 648,671,017,054.04
  5. Step 5: Solve for x
    x = 648,671,017,054.04/1,210,152.72
  6. Step 6: Final answer
    x = 536,024.10

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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.