Home / 1,065,869.52-1,470,894.36-630,442.68

Finding the Fourth Proportional to 1,065,869.52, 1,470,894.36 and 630,442.68

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Solution

The fourth proportional to 1,065,869.52, 1,470,894.36 and 630,442.68 is: 870,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,869.52 : 1,470,894.36 = 630,442.68 : x
  2. Step 2: Convert to fraction form
    1,065,869.52/1,470,894.36 = 630,442.68/x
  3. Step 3: Cross multiply
    1,065,869.52x = 1,470,894.36 × 630,442.68
  4. Step 4: Simplify right side
    1,065,869.52x = 927,314,582,315.29
  5. Step 5: Solve for x
    x = 927,314,582,315.29/1,065,869.52
  6. Step 6: Final answer
    x = 870,007.60

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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.