Home / 1,648,312.57-2,274,688.51-913,289.32

Finding the Fourth Proportional to 1,648,312.57, 2,274,688.51 and 913,289.32

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Solution

The fourth proportional to 1,648,312.57, 2,274,688.51 and 913,289.32 is: 1,260,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,312.57 : 2,274,688.51 = 913,289.32 : x
  2. Step 2: Convert to fraction form
    1,648,312.57/2,274,688.51 = 913,289.32/x
  3. Step 3: Cross multiply
    1,648,312.57x = 2,274,688.51 × 913,289.32
  4. Step 4: Simplify right side
    1,648,312.57x = 2,077,448,722,509.71
  5. Step 5: Solve for x
    x = 2,077,448,722,509.71/1,648,312.57
  6. Step 6: Final answer
    x = 1,260,348.77

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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.