Home / 1,434,892.13-1,980,240.98-790,312.08

Finding the Fourth Proportional to 1,434,892.13, 1,980,240.98 and 790,312.08

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Solution

The fourth proportional to 1,434,892.13, 1,980,240.98 and 790,312.08 is: 1,090,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,892.13 : 1,980,240.98 = 790,312.08 : x
  2. Step 2: Convert to fraction form
    1,434,892.13/1,980,240.98 = 790,312.08/x
  3. Step 3: Cross multiply
    1,434,892.13x = 1,980,240.98 × 790,312.08
  4. Step 4: Simplify right side
    1,434,892.13x = 1,565,008,363,853.48
  5. Step 5: Solve for x
    x = 1,565,008,363,853.48/1,434,892.13
  6. Step 6: Final answer
    x = 1,090,680.15

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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.