Home / 942,128.40-1,411,637.40-802,160.40

Finding the Fourth Proportional to 942,128.40, 1,411,637.40 and 802,160.40

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Solution

The fourth proportional to 942,128.40, 1,411,637.40 and 802,160.40 is: 1,201,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,128.40 : 1,411,637.40 = 802,160.40 : x
  2. Step 2: Convert to fraction form
    942,128.40/1,411,637.40 = 802,160.40/x
  3. Step 3: Cross multiply
    942,128.40x = 1,411,637.40 × 802,160.40
  4. Step 4: Simplify right side
    942,128.40x = 1,132,359,621,438.96
  5. Step 5: Solve for x
    x = 1,132,359,621,438.96/942,128.40
  6. Step 6: Final answer
    x = 1,201,916.45

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1.5x scale

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.