Home / 1,423,041.40-2,130,376.02-888,943.60

Finding the Fourth Proportional to 1,423,041.40, 2,130,376.02 and 888,943.60

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Solution

The fourth proportional to 1,423,041.40, 2,130,376.02 and 888,943.60 is: 1,330,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,041.40 : 2,130,376.02 = 888,943.60 : x
  2. Step 2: Convert to fraction form
    1,423,041.40/2,130,376.02 = 888,943.60/x
  3. Step 3: Cross multiply
    1,423,041.40x = 2,130,376.02 × 888,943.60
  4. Step 4: Simplify right side
    1,423,041.40x = 1,893,784,128,572.47
  5. Step 5: Solve for x
    x = 1,893,784,128,572.47/1,423,041.40
  6. Step 6: Final answer
    x = 1,330,800.45

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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.