Home / 1,434,952.66-1,980,234.35-790,372.87

Finding the Fourth Proportional to 1,434,952.66, 1,980,234.35 and 790,372.87

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Solution

The fourth proportional to 1,434,952.66, 1,980,234.35 and 790,372.87 is: 1,090,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,952.66 : 1,980,234.35 = 790,372.87 : x
  2. Step 2: Convert to fraction form
    1,434,952.66/1,980,234.35 = 790,372.87/x
  3. Step 3: Cross multiply
    1,434,952.66x = 1,980,234.35 × 790,372.87
  4. Step 4: Simplify right side
    1,434,952.66x = 1,565,123,506,482.08
  5. Step 5: Solve for x
    x = 1,565,123,506,482.08/1,434,952.66
  6. Step 6: Final answer
    x = 1,090,714.38

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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.