Home / 1,470,985.65-2,209,800.14-872,339.50

Finding the Fourth Proportional to 1,470,985.65, 2,209,800.14 and 872,339.50

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Solution

The fourth proportional to 1,470,985.65, 2,209,800.14 and 872,339.50 is: 1,310,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,985.65 : 2,209,800.14 = 872,339.50 : x
  2. Step 2: Convert to fraction form
    1,470,985.65/2,209,800.14 = 872,339.50/x
  3. Step 3: Cross multiply
    1,470,985.65x = 2,209,800.14 × 872,339.50
  4. Step 4: Simplify right side
    1,470,985.65x = 1,927,695,944,865.83
  5. Step 5: Solve for x
    x = 1,927,695,944,865.83/1,470,985.65
  6. Step 6: Final answer
    x = 1,310,479.10

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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.