Home / 1,374,259.47-1,896,528.75-830,290.16

Finding the Fourth Proportional to 1,374,259.47, 1,896,528.75 and 830,290.16

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Solution

The fourth proportional to 1,374,259.47, 1,896,528.75 and 830,290.16 is: 1,145,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,259.47 : 1,896,528.75 = 830,290.16 : x
  2. Step 2: Convert to fraction form
    1,374,259.47/1,896,528.75 = 830,290.16/x
  3. Step 3: Cross multiply
    1,374,259.47x = 1,896,528.75 × 830,290.16
  4. Step 4: Simplify right side
    1,374,259.47x = 1,574,669,155,130.65
  5. Step 5: Solve for x
    x = 1,574,669,155,130.65/1,374,259.47
  6. Step 6: Final answer
    x = 1,145,831.04

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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.