Home / 1,417,420.40-2,124,769.80-470,303.60

Finding the Fourth Proportional to 1,417,420.40, 2,124,769.80 and 470,303.60

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Solution

The fourth proportional to 1,417,420.40, 2,124,769.80 and 470,303.60 is: 705,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,420.40 : 2,124,769.80 = 470,303.60 : x
  2. Step 2: Convert to fraction form
    1,417,420.40/2,124,769.80 = 470,303.60/x
  3. Step 3: Cross multiply
    1,417,420.40x = 2,124,769.80 × 470,303.60
  4. Step 4: Simplify right side
    1,417,420.40x = 999,286,886,111.28
  5. Step 5: Solve for x
    x = 999,286,886,111.28/1,417,420.40
  6. Step 6: Final answer
    x = 705,003.88

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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.