Home / 1,087,897.60-1,632,429.60-456,875.20

Finding the Fourth Proportional to 1,087,897.60, 1,632,429.60 and 456,875.20

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Solution

The fourth proportional to 1,087,897.60, 1,632,429.60 and 456,875.20 is: 685,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,897.60 : 1,632,429.60 = 456,875.20 : x
  2. Step 2: Convert to fraction form
    1,087,897.60/1,632,429.60 = 456,875.20/x
  3. Step 3: Cross multiply
    1,087,897.60x = 1,632,429.60 × 456,875.20
  4. Step 4: Simplify right side
    1,087,897.60x = 745,816,599,985.92
  5. Step 5: Solve for x
    x = 745,816,599,985.92/1,087,897.60
  6. Step 6: Final answer
    x = 685,557.72

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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.