Home / 790,476.12-1,186,895.16-778,666.32

Finding the Fourth Proportional to 790,476.12, 1,186,895.16 and 778,666.32

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Solution

The fourth proportional to 790,476.12, 1,186,895.16 and 778,666.32 is: 1,169,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,476.12 : 1,186,895.16 = 778,666.32 : x
  2. Step 2: Convert to fraction form
    790,476.12/1,186,895.16 = 778,666.32/x
  3. Step 3: Cross multiply
    790,476.12x = 1,186,895.16 × 778,666.32
  4. Step 4: Simplify right side
    790,476.12x = 924,195,286,463.01
  5. Step 5: Solve for x
    x = 924,195,286,463.01/790,476.12
  6. Step 6: Final answer
    x = 1,169,162.82

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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.