Home / 917,817.80-1,376,726.70-707,865.80

Finding the Fourth Proportional to 917,817.80, 1,376,726.70 and 707,865.80

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Solution

The fourth proportional to 917,817.80, 1,376,726.70 and 707,865.80 is: 1,061,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,817.80 : 1,376,726.70 = 707,865.80 : x
  2. Step 2: Convert to fraction form
    917,817.80/1,376,726.70 = 707,865.80/x
  3. Step 3: Cross multiply
    917,817.80x = 1,376,726.70 × 707,865.80
  4. Step 4: Simplify right side
    917,817.80x = 974,537,746,876.86
  5. Step 5: Solve for x
    x = 974,537,746,876.86/917,817.80
  6. Step 6: Final answer
    x = 1,061,798.70

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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.