Home / 1,430,108.96-2,145,151.60-577,167.52

Finding the Fourth Proportional to 1,430,108.96, 2,145,151.60 and 577,167.52

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Solution

The fourth proportional to 1,430,108.96, 2,145,151.60 and 577,167.52 is: 865,746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,108.96 : 2,145,151.60 = 577,167.52 : x
  2. Step 2: Convert to fraction form
    1,430,108.96/2,145,151.60 = 577,167.52/x
  3. Step 3: Cross multiply
    1,430,108.96x = 2,145,151.60 × 577,167.52
  4. Step 4: Simplify right side
    1,430,108.96x = 1,238,111,828,996.03
  5. Step 5: Solve for x
    x = 1,238,111,828,996.03/1,430,108.96
  6. Step 6: Final answer
    x = 865,746.50

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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.