Home / 1,347,485.70-2,018,276.10-715,661.40

Finding the Fourth Proportional to 1,347,485.70, 2,018,276.10 and 715,661.40

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Solution

The fourth proportional to 1,347,485.70, 2,018,276.10 and 715,661.40 is: 1,071,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,485.70 : 2,018,276.10 = 715,661.40 : x
  2. Step 2: Convert to fraction form
    1,347,485.70/2,018,276.10 = 715,661.40/x
  3. Step 3: Cross multiply
    1,347,485.70x = 2,018,276.10 × 715,661.40
  4. Step 4: Simplify right side
    1,347,485.70x = 1,444,402,299,312.54
  5. Step 5: Solve for x
    x = 1,444,402,299,312.54/1,347,485.70
  6. Step 6: Final answer
    x = 1,071,924.03

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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.