Home / 1,509,623.12-2,083,279.80-830,545.04

Finding the Fourth Proportional to 1,509,623.12, 2,083,279.80 and 830,545.04

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Solution

The fourth proportional to 1,509,623.12, 2,083,279.80 and 830,545.04 is: 1,146,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,623.12 : 2,083,279.80 = 830,545.04 : x
  2. Step 2: Convert to fraction form
    1,509,623.12/2,083,279.80 = 830,545.04/x
  3. Step 3: Cross multiply
    1,509,623.12x = 2,083,279.80 × 830,545.04
  4. Step 4: Simplify right side
    1,509,623.12x = 1,730,257,704,822.19
  5. Step 5: Solve for x
    x = 1,730,257,704,822.19/1,509,623.12
  6. Step 6: Final answer
    x = 1,146,152.10

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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.