Home / 1,447,509.60-2,172,646.80-1,237,384.80

Finding the Fourth Proportional to 1,447,509.60, 2,172,646.80 and 1,237,384.80

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Solution

The fourth proportional to 1,447,509.60, 2,172,646.80 and 1,237,384.80 is: 1,857,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,509.60 : 2,172,646.80 = 1,237,384.80 : x
  2. Step 2: Convert to fraction form
    1,447,509.60/2,172,646.80 = 1,237,384.80/x
  3. Step 3: Cross multiply
    1,447,509.60x = 2,172,646.80 × 1,237,384.80
  4. Step 4: Simplify right side
    1,447,509.60x = 2,688,400,126,088.64
  5. Step 5: Solve for x
    x = 2,688,400,126,088.64/1,447,509.60
  6. Step 6: Final answer
    x = 1,857,258.93

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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.